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List of works by Rolf H H Groenwold

17α-hydroxyprogesterone caproate for the prevention of adverse neonatal outcome in multiple pregnancies: a randomized controlled trial

scientific article published on 01 September 2011

A cautionary note on the use of the missing indicator method for handling missing data in prediction research

scientific article published on 18 June 2020

A computational approach to compare regression modelling strategies in prediction research.

scientific article

A systematic breakdown of the levels of evidence supporting the European Society of Cardiology guidelines

scientific article published on 14 August 2019

Accounting for treatment use when validating a prognostic model: a simulation study

scientific article

Adjusting for Confounding in Early Postlaunch Settings: Going Beyond Logistic Regression Models.

scientific article published on October 2015

Adjusting for Disease Severity Across ICUs in Multicenter Studies

scientific article published on 01 August 2019

Adjustment for continuous confounders: an example of how to prevent residual confounding ⬇️

scientific article published on February 11, 2013

Adjustment for unmeasured confounding through informative priors for the confounder-outcome relation

scientific article published on 22 December 2018

Amiodarone use and the risk of acute pancreatitis: Influence of different exposure definitions

scientific article published on 02 August 2019

An Application of Inverse Probability Weighting Estimation of Marginal Structural Models of a Continuous Exposure: Benzodiazepines and Delirium

scientific article published on 01 September 2015

Approaches to Addressing Missing Values, Measurement Error and Confounding in Epidemiologic Studies

scientific article published on 08 November 2020

Assessing the impact of confounding (measured and unmeasured) in a case–control study to examine the increased risk of pandemic A/H1N1 associated with receipt of the 2008–9 seasonal influenza vaccine ⬇️

scientific article published on October 12, 2011

Assessment of the Regulatory Dialogue Between Pharmaceutical Companies and the European Medicines Agency on the Choice of Noninferiority Margins

scientific article published on 08 August 2020

Association of menopausal characteristics and risk of coronary heart disease: a pan-European case–cohort analysis

scientific article published on 01 August 2019

Atmospheric Pressure and Abdominal Aortic Aneurysm Rupture: Results From a Time Series Analysis and Case-Crossover Study

scientific article

Attributable mortality of ventilator-associated pneumonia: a meta-analysis of individual patient data from randomised prevention studies

scientific article

Automated detection of external ventricular and lumbar drain-related meningitis using laboratory and microbiology results and medication data

scientific article

Balance measures for propensity score methods: a clinical example on beta-agonist use and the risk of myocardial infarction

scientific article published on 23 September 2011

Bayesian methods including nonrandomized study data increased the efficiency of postlaunch RCTs

scientific article

Behavioral disinhibition and antiepileptic treatment in childhood epilepsy: A retrospective cohort study.

scientific article published on 18 January 2017

Bias in observational research: 'confounding'

scientific article published on January 1, 2012

Case-control study: the importance of selecting the right controls

scientific article published on January 1, 2013

Case-only designs for studying the association of antidepressants and hip or femur fracture.

scientific article published on March 2016

Cautionary note: propensity score matching does not account for bias due to censoring.

scientific article published on 8 July 2017

Changing predictor measurement procedures affected the performance of prediction models in clinical examples

scientific article published on 09 November 2019

Characteristics of effective self-management interventions in patients with COPD: individual patient data meta-analysis.

scientific article

Chronic Q fever in the Netherlands 5 years after the start of the Q fever epidemic: results from the Dutch chronic Q fever database

scientific article published on 05 March 2014

Classifying responders and non-responders; does it help when there is evidence of differentially responding patient groups? ⬇️

scientific article published on June 1, 2012

Commentary: Quantifying the unknown unknowns

scientific article published on 28 June 2020

Comments on 'the use of propensity scores and observational data to estimate randomized controlled trial generalizability bias' by Taylor R. Pressler and Eloise E. Kaizar, Statistics in Medicine 2013

scientific article published on 01 February 2014

Comparability of treatment arms does not prevent correlated trial results

scientific article published on 24 August 2018

Comparative effectiveness of recommended versus less intensive drug combinations in secondary prevention of acute coronary syndrome

scientific article published on 26 January 2017

Comparing HAMD(17) and HAMD subscales on their ability to differentiate active treatment from placebo in randomized controlled trials

scientific article published on 7 September 2012

Comparison of outcome between intrauterine balloon tamponade and uterine artery embolization in the management of persistent postpartum hemorrhage: A propensity score-matched cohort study

scientific article published on 10 July 2019

Complex self-management interventions in chronic disease unravelled: a review of lessons learned from an individual patient data meta-analysis.

scientific article

Complications and Outcome after Rib Fracture Fixation: A Systematic Review

scientific article published on 08 April 2020

Confounding adjustment performance of ordinal analysis methods in stroke studies

scientific article published on 16 April 2020

Confounding in publications of observational intervention studies

scientific article published on 5 May 2007

Confounding of subgroup analyses in randomized data

scientific article

Conservative vs. operative treatment for humeral shaft fractures: a meta-analysis and systematic review of randomized clinical trials and observational studies

scientific article published on 02 April 2020

Cost-Effectiveness of Two Decision Strategies for Shunt Use During Carotid Endarterectomy.

scientific article published on 16 June 2017

Data Resource Profile: Adult cardiac surgery database of the Netherlands Association for Cardio-Thoracic Surgery ⬇️

scientific article published on February 9, 2013

Dealing With Missing Outcome Data in Randomized Trials and Observational Studies ⬇️

scientific article published on December 23, 2011

Defining the noninferiority margin and analysing noninferiority: An overview

scientific article published on 2 March 2017

Designing pragmatic trials-what can we learn from lessons learned?

scientific article published on 16 June 2017

Development and validation of a prediction model for gestational hypertension in a Ghanaian cohort

scientific article published on 16 January 2017

Differences in interaction and subgroup-specific effects were observed between randomized and nonrandomized studies in three empirical examples

scientific article published on 16 March 2013

Do Self-Management Interventions Work in Patients With Heart Failure? An Individual Patient Data Meta-Analysis

scientific article

Effectiveness of electronic fetal monitoring with additional ST analysis in vertex singleton pregnancies at >36 weeks of gestation: an individual participant data metaanalysis ⬇️

scientific article published on January 17, 2013

Effectiveness of extended- versus normal-release nitrofurantoin for cystitis: an instrumental variable analysis

scientific article published on 01 November 2019

Efficient sampling in unmatched case-control studies when the total number of cases and controls is fixed

scientific article published on 4 July 2017

Epidemiology and outcome of rib fractures: a nationwide study in the Netherlands

scientific article published on 06 June 2020

Erratum to: Methods for evaluating medical tests and biomarkers

scientific article published on 30 March 2017

Estimating measures of interaction on an additive scale for preventive exposures

scientific article published on 23 February 2011

Estimating the mediating effect of different biomarkers on the relation of alcohol consumption with the risk of type 2 diabetes

scientific article published on 29 January 2013

Evaluating different physician's prescribing preference based instrumental variables in two primary care databases: a study of inhaled long-acting beta2-agonist use and the risk of myocardial infarction

scientific article published on March 2016

Evaluation of cardiac surgery mortality rates: 30-day mortality or longer follow-up?† ⬇️

scientific article published on 07 March 2013

Explicit inclusion of treatment in prognostic modeling was recommended in observational and randomized settings

scientific article published on April 2016

Exploring interaction effects in small samples increases rates of false-positive and false-negative findings: results from a systematic review and simulation study

scientific article published on 24 April 2014

Fair inclusion of pregnant women in clinical trials: an integrated scientific and ethical approach

scientific article published on 29 January 2018

Falsification end points for observational studies

scientific article published in May 2013

Fixation of flail chest or multiple rib fractures: current evidence and how to proceed. A systematic review and meta-analysis

scientific article published on 01 October 2018

From CVA or TIA to carotid surgery: the clinical treatment course for patients with symptomatic carotid disease could be shorter

scientific article published on January 1, 2013

Gaming in risk-adjusted mortality rates: effect of misclassification of risk factors in the benchmarking of cardiac surgery risk-adjusted mortality rates

scientific article published on 14 April 2012

Get real in individual participant data (IPD) meta-analysis: a review of the methodology

scientific article

Global changes in mortality rates in polytrauma patients admitted to the ICU-a systematic review

scientific article published on 30 September 2020

Identification of Risk Factors for Chronic Q Fever, the Netherlands ⬇️

scientific article published on April 1, 2012

Identifying components of self-management interventions that improve health-related quality of life in chronically ill patients: Systematic review and meta-regression analysis.

scientific article published on February 2016

Impact of predictor measurement heterogeneity across settings on the performance of prediction models: A measurement error perspective

scientific article published on 31 May 2019

Improving clinical trial efficiency by biomarker-guided patient selection

scientific article published on 2 April 2014

Incidence of direct oral anticoagulant use in patients with nonvalvular atrial fibrillation and characteristics of users in 6 European countries (2008-2015): A cross-national drug utilization study

scientific article published on 04 September 2019

Increased mortality following telemonitoring in frail elderly patients: look before you leap!

scientific article published on 01 November 2012

Increasing trial efficiency by early reallocation of placebo nonresponders in sequential parallel comparison designs: application to antidepressant trials

scientific article published in October 2012

Informative missingness in electronic health record systems: the curse of knowing

scientific article published on 02 July 2020

Instrumental variables analysis using multiple databases: an example of antidepressant use and risk of hip fracture

scientific article published on March 2016

Instrumental variables in influenza vaccination studies: mission impossible?!

scientific article published on 20 August 2009

Investigating Risk Adjustment Methods for Health Care Provider Profiling When Observations are Scarce or Events Rare

scientific article published on 05 July 2018

Investigation of the "m" in the cmRCT (cohort multiple randomized controlled trial) design revealed dependence between trial results

scientific article published on 26 April 2018

Justification of exclusion criteria was underreported in a review of cardiovascular trials

scientific article published on 05 March 2014

Learning styles and preferences for live and distance education: an example of a specialisation course in epidemiology ⬇️

scientific article published on July 2, 2013

Left truncation results in substantial bias of the relation between time-dependent exposures and adverse events

scientific article published on April 2015

Limitations of Ranking Lists Based on Cardiac Surgery Mortality Rates ⬇️

scientific article published on May 1, 2012

Long-term effect of conservative treatment versus low threshold endoscopic desobstruction on urine incontinence and urgency in boys with persistent overactive bladder symptoms: A cohort study.

scientific article published on 31 January 2017

Long-term follow-up after rib fixation for flail chest and multiple rib fractures

scientific article published on 18 September 2018

METHODOLOGY FOR THE ENDOCRINOLOGIST: Basic aspects of confounding adjustment

scientific article published on 01 May 2020

Machine Learning Compared With Pathologist Assessment

scientific article published on 01 April 2018

Measurement error in clinical research, yes it matters

scientific article published on 01 June 2020

Measurement error in continuous endpoints in randomised trials: Problems and solutions

scientific article published on 02 September 2019

Measurement error is often neglected in medical literature: a systematic review.

scientific article published on 6 March 2018

Measuring balance and model selection in propensity score methods ⬇️

scientific article published on July 29, 2011

Mecor: An R package for measurement error correction in linear regression models with a continuous outcome

scientific article published on 17 June 2021

Mediation analysis of the relationship between type 2 diabetes and cardiovascular events and all-cause mortality: Findings from the SMART cohort

scientific article published on 23 May 2019

Merits and caveats of propensity scores to adjust for confounding

scientific article published on 01 October 2019

Meta-analyses triggered by previous (false-)significant findings: problems and solutions

scientific article

Methodological comparison of marginal structural model, time-varying Cox regression, and propensity score methods: the example of antidepressant use and the risk of hip fracture

scientific article published on March 2016

Methods for Evaluating Medical Tests and Biomarkers

article by Gowri Gopalakrishna et al published February 2017 in Diagnostic and Prognostic Research

Methods of defining the non-inferiority margin in randomized, double-blind controlled trials: a systematic review.

scientific article published on 7 March 2017

Methods to control for unmeasured confounding in pharmacoepidemiology: an overview

scientific article published on 18 April 2016

Microbiological Challenges in the Diagnosis of Chronic Q Fever ⬇️

scientific article published on March 21, 2012

Missing covariate data in clinical research: when and when not to use the missing-indicator method for analysis

scientific article

Missing data: the impact of what isn't there

scientific article published on 01 July 2020

Multi-centre, multi-database studies with common protocols: lessons learnt from the IMI PROTECT project.

scientific article published on March 2016

Multicentre prospective cohort study of nonoperative versus operative treatment for flail chest and multiple rib fractures after blunt thoracic trauma: study protocol

scientific article published on 27 August 2019

Multiple testing; when is many too much?

scientific article published on 01 December 2020

Operative treatment versus nonoperative treatment of Achilles tendon ruptures: systematic review and meta-analysis

scientific article published in the British Medical Journal

Operative versus nonoperative treatment of proximal humeral fractures: a systematic review, meta-analysis, and comparison of observational studies and randomized controlled trials

scientific article published on 04 May 2018

Operative vs Nonoperative Treatment of Distal Radius Fractures in Adults: A Systematic Review and Meta-analysis

scientific article published on 01 April 2020

Optimizing trial design in pharmacogenetics research: comparing a fixed parallel group, group sequential, and adaptive selection design on sample size requirements

scientific article

Outlier classification performance of risk adjustment methods when profiling multiple providers.

scientific article published on 15 June 2018

Overestimation of risk ratios by odds ratios in trials and cohort studies: alternatives to logistic regression

scientific article published on 12 December 2011

PP081. Predictors of pregnancy induced hypertension in an urban low resource setting

scientific article published on April 2013

Performance indicators for hospitals

scientific article published on January 1, 2012

Performance of instrumental variable methods in cohort and nested case-control studies: a simulation study

scientific article

Performance of prior event rate ratio adjustment method in pharmacoepidemiology: a simulation study

scientific article published on 20 November 2014

Performance of the original EuroSCORE ⬇️

scientific article published on January 26, 2012

Pooling of confounders did not induce residual confounding in influenza vaccination studies

scientific article

Poor quality of reporting confounding bias in observational intervention studies: a systematic review

scientific article published on 09 August 2008

Population-Attributable Risk of Risk Factors for Recurrent Wheezing in Moderate Preterm Infants During the First Year of Life.

scientific article

Potential misinterpretation of treatment effects due to use of odds ratios and logistic regression in randomized controlled trials

scientific article

Pragmatic trial design elements showed a different impact on trial interpretation and feasibility than explanatory elements

scientific article published on 6 May 2016

Prediction meets causal inference: the role of treatment in clinical prediction models

scientific article published on 22 May 2020

Prediction models for clustered data with informative priors for the random effects: a simulation study

scientific article published on 06 August 2018

Prediction of Neonatal Metabolic Acidosis in Women with a Singleton Term Pregnancy in Cephalic Presentation ⬇️

scientific article published on August 3, 2011

Prediction of Neonatal Metabolic Acidosis in Women with a Singleton Term Pregnancy in Cephalic Presentation: An External Validation Study ⬇️

scientific article published on May 25, 2012

Prediction of preterm birth in multiple pregnancies: development of a multivariable model including cervical length measurement at 16 to 21 weeks' gestation

scientific article published on 01 April 2014

Prevalence and clinical course in invasive infections with meningococcal endotoxin variants

scientific article

Progestogens to prevent preterm birth in twin pregnancies: an individual participant data meta-analysis of randomized trials

scientific article

Propensity score balance measures in pharmacoepidemiology: a simulation study

scientific article published on 29 January 2014

Propensity score methods and unobserved covariate imbalance: comments on "squeezing the balloon".

scientific article published on 24 January 2014

Propensity scores in observational research

scientific article published on January 1, 2013

Quality of reporting of confounding remained suboptimal after the STROBE guideline

scientific article published on 28 August 2015

Quality of reporting of drug exposure in pharmacoepidemiological studies

scientific article published on 11 May 2020

Quality of reporting of systematic reviews and meta-analyses in emergency medicine based on the PRISMA statement

scientific article published on 11 February 2019

Quantitative Bias Analysis for a Misclassified Confounder: A Comparison Between Marginal Structural Models and Conditional Models for Point Treatments

scientific article published on 05 August 2020

Random measurement error: Why worry? An example of cardiovascular risk factors.

scientific article published on 9 February 2018

Randomized trials with missing outcome data: how to analyze and what to report

scientific article

Re. Selecting Optimal Subgroups for Treatment Using Many Covariates

scientific article published on 10 April 2020

Re: Is the Risk Difference Really a More Heterogeneous Measure?

scientific article published on 01 May 2016

Reflection on modern methods: five myths about measurement error in epidemiological research

scientific article published on 01 February 2020

Remarkable results with candesartan

scientific article published on January 1, 2011

Reporting of covariate selection and balance assessment in propensity score analysis is suboptimal: a systematic review

scientific article

Reporting of treatment effects from randomized trials: A plea for multivariable risk ratios ⬇️

scientific article published on December 31, 2010

Response to Letter on Immunoassay measurement errors

scientific article published on 01 October 2020

Rib fixation versus non-operative treatment for flail chest and multiple rib fractures after blunt thoracic trauma: a multicenter cohort study

scientific article published on 19 October 2018

Risk factors for incident heart failure in age- and sex-specific strata: a population-based cohort using linked electronic health records

scientific article published on 07 January 2019

Risk indicators for referral during labor from community midwife to gynecologist: a prospective cohort study

scientific article published on 24 November 2015

Risk patterns in drug safety study using relative times by accelerated failure time models when proportional hazards assumption is questionable: an illustrative case study of cancer risk of patients on glucose-lowering therapies

scientific article

Rivaroxaban was found to be noninferior to warfarin in routine clinical care: A retrospective noninferiority cohort replication study

scientific article published on 14 June 2020

Selection of confounding variables should not be based on observed associations with exposure

scientific article

Sensitivity analyses to estimate the potential impact of unmeasured confounding in causal research

scientific article published on 30 November 2009

Sensitivity analysis for the effects of multiple unmeasured confounders

scientific article published on 3 August 2016

Sequential co-enrolment in randomised trials in neonatal intensive care medicine

scientific article published on 01 June 2019

Series: Pragmatic trials and real world evidence: Paper 1. Introduction

scientific article published on 23 May 2017

Series: Pragmatic trials and real world evidence: Paper 2. Setting, sites, and investigator selection

scientific article published on 11 May 2017

Series: Pragmatic trials and real world evidence: Paper 3. Patient selection challenges and consequences

scientific article published on 11 May 2017

Serum Magnesium and Sudden Death in European Hemodialysis Patients

scientific article published on 23 November 2015

Significance of p-values: misinterpreted and overrated

scientific article published in January 2018

Single dose efficacy evaluation of two partial benzodiazepine receptor agonists in photosensitive epilepsy patients: A placebo-controlled pilot study

scientific article

Statistical methods to monitor risk factors in a clinical database: example of a national cardiac surgery registry

scientific article published in January 2013

Stenting versus endarterectomy for restenosis following prior ipsilateral carotid endarterectomy: an individual patient data meta-analysis

scientific article

Study design: what's in a name?

scientific article published on 01 December 2020

Study methodology in trauma care: towards question-based study designs

scientific article published on 29 October 2019

Subgroup effects despite homogeneous heterogeneity test results

scientific article

Surgical Versus Nonsurgical Treatment for Midshaft Clavicle Fractures in Patients Aged 16 Years and Older: A Systematic Review, Meta-analysis, and Comparison of Randomized Controlled Trials and Observational Studies

scientific article published on 18 November 2016

Systematic review showed that stepped-wedge cluster randomized trials often did not reach their planned sample size

scientific article published on 17 November 2018

TREC Based Newborn Screening for Severe Combined Immunodeficiency Disease: A Systematic Review

scientific article published on 17 April 2015

Text-mining in electronic healthcare records can be used as efficient tool for screening and data-collection in cardiovascular trials: a multicenter validation study

scientific article published on 25 November 2020

The "Efficacy-Effectiveness Gap": Historical Background and Current Conceptualization

scientific article published on 19 November 2015

The Trials within Cohorts design faced methodological advantages and disadvantages in the exercise oncology setting

scientific article published on 28 May 2019

The effect of computerized decision support systems on cardiovascular risk factors: a systematic review and meta-analysis.

scientific article published on 10 June 2019

The effect of statin therapy on pneumonia in an HIV-infected population in the Netherlands ⬇️

scientific article published on April 19, 2013

The effects of exercise on the quality of life of patients with breast cancer (the UMBRELLA Fit study): study protocol for a randomized controlled trial.

scientific article published on 27 October 2017

The ethics of ‘Trials within Cohorts’ (TwiCs): 2nd international symposium: London, UK. 7-8 November 2016

scientific article published on 20 July 2017

The importance of considering competing treatment affecting prognosis in the evaluation of therapy in trials: the example of renal transplantation in hemodialysis trials.

scientific article published on 27 February 2017

Three types of bias: distortion of research results and how that can be prevented

scientific article published on January 2013

Time-dependent propensity score and collider-stratification bias: an example of beta2-agonist use and the risk of coronary heart disease

scientific article published on 25 January 2013

Title, abstract, and keyword searching resulted in poor recovery of articles in systematic reviews of epidemiologic practice

scientific article published on 23 January 2020

Towards tailoring of self-management for patients with chronic heart failure or chronic obstructive pulmonary disease: a protocol for an individual patient data meta-analysis

scientific article

Traumatic rib fractures: a marker of severe injury. A nationwide study using the National Trauma Data Bank

scientific article published on 10 June 2020

Treatment use in prognostic model research: a systematic review of cardiovascular prognostic studies

scientific article published on 26 September 2017

Trends and outcomes of valve surgery: 16-year results of Netherlands Cardiac Surgery National Database

scientific article

Understanding inconsistency in the results from observational pharmacoepidemiological studies: the case of antidepressant use and risk of hip/femur fractures

scientific article published on March 2016

Unexpected predictor-outcome associations in clinical prediction research: causes and solutions

scientific article published on 21 January 2013

Unmeasured confounding in pharmacoepidemiology

scientific article published on 7 November 2015

Use of Smart Technology for the Early Diagnosis of Complications After Cardiac Surgery: The Box 2.0 Study Protocol

scientific article published on 21 April 2020

Using a single noninferiority margin or preserved fraction for an entire pharmacological class was found to be inappropriate

scientific article published on 25 August 2018

What Are Effective Program Characteristics of Self-Management Interventions in Patients With Heart Failure? An Individual Patient Data Meta-analysis

scientific article

When and how to use data from randomised trials to develop or validate prognostic models

scientific article published on 29 May 2019

When drug treatments bias genetic studies: Mediation and interaction

scientific article published on 28 August 2019

When observational studies are as helpful as randomized trials: Examples from orthopedic trauma

scientific article published on 01 September 2019

When observational studies can give wrong answers: The potential of immortal time bias

scientific article published on 01 October 2020

[Big, bigger, biggest; big data in medical research]

scientific article published on 27 November 2018

[Effect modification and interaction]

scientific article published in January 2015

[For the critical reader: questions to ask about randomised trials]

[Intermediate endpoints in clinical research]

[Power, you can never have enough of it]

article

β blockers for adults with chronic obstructive pulmonary disease

scientific article

β-Blocker use for patients with or at risk for coronary artery disease

scientific article

β-Blockers and All-Cause Mortality in Adults with Episodes of Acute Bronchitis: An Observational Study

scientific article (publication date: 2013)

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