List of works by Nicky J. Welton

A Bayesian approach to analysing the cost-effectiveness of two primary care interventions aimed at improving attendance for breast screening.

scientific article published in May 2006

A Bayesian framework to account for uncertainty due to missing binary outcome data in pairwise meta-analysis

scientific article

A Cost-Effectiveness Analysis of Shortened Direct-Acting Antiviral Treatment in Genotype 1 Noncirrhotic Treatment-Naive Patients With Chronic Hepatitis C Virus

scientific article published on 17 May 2019

A cost-effectiveness analysis of genetic testing of the DRD2 Taq1A polymorphism to aid treatment choice for smoking cessation

scientific article

A mixed-methods feasibility and external pilot study to inform a large pragmatic randomised controlled trial of the effects of surgical wound dressing strategies on surgical site infections (Bluebelle Phase B): study protocol for a randomised contro

scientific article

A randomised controlled trial assessing the severity and duration of depressive symptoms associated with a clinically significant response to sertraline versus placebo, in people presenting to primary care with depression (PANDA trial): study protoc

scientific article published on 24 October 2017

A selection model for accounting for publication bias in a full network meta-analysis

scientific article published on 15 October 2014

A systematic review of the clinical effectiveness and cost-effectiveness of pharmacological and psychological interventions for the management of obsessive-compulsive disorder in children/adolescents and adults.

scientific article

A threshold analysis assessed the credibility of conclusions from network meta-analysis

scientific article published on 15 July 2016

Accounting for Heterogeneity in Relative Treatment Effects for Use in Cost-Effectiveness Models and Value-of-Information Analyses.

scientific article published on 23 February 2015

Accounting for correlation in network meta-analysis with multi-arm trials

scientific article published on June 2012

Addressing between-study heterogeneity and inconsistency in mixed treatment comparisons: Application to stroke prevention treatments in individuals with non-rheumatic atrial fibrillation.

scientific article published in June 2009

Adjusting trial results for biases in meta-analysis: combining data-based evidence on bias with detailed trial assessment

scientific article published on 01 July 2019

Allowing for uncertainty due to missing data in meta-analysis--part 2: hierarchical models.

scientific article

An evaluation of the feasibility, cost and value of information of a multicentre randomised controlled trial of intravenous immunoglobulin for sepsis (severe sepsis and septic shock): incorporating a systematic review, meta-analysis and value [...]

scientific article

An overview of models used in economic analyses of biologic therapies for arthritis--from current diversity to future consensus

scientific article published on September 2011

Antidepressant treatment with sertraline for adults with depressive symptoms in primary care: the PANDA research programme including RCT

Approaches for synthesising complex mental health interventions in meta-analysis

scientific article published on 20 January 2016

Are head-to-head trials of biologics needed? The role of value of information methods in arthritis research

scientific article published on 01 September 2011

Assessing trial representativeness using serious adverse events: an observational analysis using aggregate and individual-level data from clinical trials and routine healthcare data

Automated generation of node-splitting models for assessment of inconsistency in network meta-analysis

scientific article

Automated methods to Test Connectedness and Quantify Indirectness of Evidence in Network Meta-Analysis

scientific article published on 4 December 2018

Automating network meta-analysis

scientific article published on 23 August 2012

Choice of Prosthetic Implant Combinations in Total Hip Replacement: Cost-Effectiveness Analysis Using UK and Swedish Hip Joint Registries Data

scientific article published on 02 November 2018

Choice of implant combinations in total hip replacement: systematic review and network meta-analysis.

scientific article published on 2 November 2017

Choice of statistical model for cost-effectiveness analysis and covariate adjustment: empirical application of prominent models and assessment of their results.

scientific article published on 7 October 2015

Classes of antihypertensive agents and mortality in hypertensive patients with type 2 diabetes-Network meta-analysis of randomized trials

scientific article

Controlling ecological bias in evidence synthesis of trials reporting on collapsed and overlapping covariate categories

scientific article published in May 2010

Correction: Interpretation of Random Effects Meta-analysis in Decision Models

scientific article published on 01 March 2007

Cost-Effectiveness of Sertraline in Primary Care According to Initial Severity and Duration of Depressive Symptoms: Findings from the PANDA RCT

scientific article published on 27 November 2019

Costs and Cost-Effectiveness of Spinal Cord Stimulation (SCS) for Failed Back Surgery Syndrome

article

Diagnostic value of symptoms of oesophagogastric cancers in primary care: a systematic review and meta-analysis

scientific article

Differences in relative and absolute effectiveness of oral P2Y 12 inhibition in men and women: a meta-analysis and modelling study

scientific article

Different Original and Biosimilar TNF Inhibitors Similarly Reduce Joint Destruction in Rheumatoid Arthritis-A Network Meta-Analysis of 36 Randomized Controlled Trials

scientific article published on 05 September 2019

Diminishing returns drive altruists to help extended family

scientific article

Directly Acting Oral Anticoagulants for the Prevention of Stroke in Atrial Fibrillation in England and Wales: Cost-Effectiveness Model and Value of Information Analysis

scientific article published on 01 July 2019

Effectiveness and cost-effectiveness of computer and other electronic aids for smoking cessation: a systematic review and network meta-analysis

scientific article

Effects of study precision and risk of bias in networks of interventions: a network meta-epidemiological study

scientific article published on 27 June 2013

Enhanced secondary analysis of survival data: reconstructing the data from published Kaplan-Meier survival curves

scientific article

Equity in access to total joint replacement of the hip and knee in England: cross sectional study

scientific article

Erratum to: Using Parameter Constraints to Choose State Structures in Cost-Effectiveness Modelling

scientific article published on 26 June 2017

Estimating the effect of the 2005 change in BCG policy in England: a retrospective cohort study, 2000 to 2015

scientific article published on 01 December 2019

Estimating the sensitivity of a prostate cancer screening programme for different PSA cut-off levels: A UK case study

scientific article published on 23 December 2017

Estimation of markov chain transition probabilities and rates from fully and partially observed data: uncertainty propagation, evidence synthesis, and model calibration

scientific article

Evaluating novel agent effects in multiple-treatments meta-regression

scientific article published in October 2010

Evidence synthesis for decision making 1: introduction

scientific article published on July 2013

Evidence synthesis for decision making 2: a generalized linear modeling framework for pairwise and network meta-analysis of randomized controlled trials

scientific article published on 26 October 2012

Evidence synthesis for decision making 3: heterogeneity--subgroups, meta-regression, bias, and bias-adjustment

scientific article published on July 2013

Evidence synthesis for decision making 4: inconsistency in networks of evidence based on randomized controlled trials

scientific article published in July 2013

Evidence synthesis for decision making 5: the baseline natural history model ⬇️

scientific article published on July 2013

Evidence synthesis for decision making 6: embedding evidence synthesis in probabilistic cost-effectiveness analysis

scientific article published on July 2013

Evidence synthesis for decision making 7: a reviewer's checklist

scientific article published on July 2013

Expected value of sample information for multi-arm cluster randomized trials with binary outcomes

scientific article published in October 2013

Exploring the Research Decision Space: The Expected Value of Information for Sequential Research Designs

scientific article published on 29 December 2009

Exploring treatment by covariate interactions using subgroup analysis and meta-regression in cochrane reviews: a review of recent practice

scientific article published on June 2015

Extending Treatment Networks in Health Technology Assessment: How Far Should We Go?

scientific article

Extrapolation of Survival Curves from Cancer Trials Using External Information.

scientific article published on 28 September 2016

Geographical variation in the provision of elective primary hip and knee replacement: the role of socio-demographic, hospital and distance variables

scientific article

Global and regional estimates of the contribution of herpes simplex virus type 2 infection to HIV incidence: a population attributable fraction analysis using published epidemiological data

scientific article published on 18 November 2019

Graphs of study contributions and covariate distributions for network meta-regression

scientific article published on 26 January 2018

Has Chlamydia trachomatis prevalence in young women in England, Scotland and Wales changed? Evidence from national probability surveys.

scientific article published in January 2019

How do smoking cessation medicines compare with respect to their neuropsychiatric safety? A protocol for a systematic review, network meta-analysis and cost-effectiveness analysis

scientific article published on 17 June 2017

How much tubal factor infertility is caused by Chlamydia? Estimates based on serological evidence corrected for sensitivity and specificity

scientific article published on August 2012

How valuable are multiple treatment comparison methods in evidence-based health-care evaluation?

scientific article published on 5 February 2011

Identifying stroke therapeutics from preclinical models: A protocol for a novel application of network meta-analysis

scientific article published on 03 January 2019

Illicit and pharmaceutical drug consumption estimated via wastewater analysis. Part B: placing back-calculations in a formal statistical framework.

scientific article published on 15 March 2014

Impact of Opioid Substitution Therapy on Antiretroviral Therapy Outcomes: A Systematic Review and Meta-Analysis

scientific article

Indirect and mixed treatment comparisons in arthritis research

scientific article published on September 2011

Inequalities in rates of renal replacement therapy in England: does it matter who you are or where you live?

scientific article

Influence of reported study design characteristics on intervention effect estimates from randomised controlled trials: combined analysis of meta-epidemiological studies

scientific article published on September 2012

Influence of reported study design characteristics on intervention effect estimates from randomized, controlled trials

scientific article published in September 2012

Intra-operative interventions for preventing surgical site infection: an overview of Cochrane reviews

Intravenous immunoglobulin for severe sepsis and septic shock: clinical effectiveness, cost-effectiveness and value of a further randomised controlled trial

scientific article

Labour induction with prostaglandins: a systematic review and network meta-analysis

scientific article

Linear inference for mixed treatment comparison meta-analysis: A two-stage approach.

scientific article published in March 2011

Meta-analysis of impact of different types and doses of statins on new-onset diabetes mellitus

scientific article published on 24 January 2013

Methods for Population-Adjusted Indirect Comparisons in Health Technology Appraisal.

scientific article

Methods to induce labour: a systematic review, network meta-analysis and cost-effectiveness analysis ⬇️

scientific article

Minimal clinically important difference on the Beck Depression Inventory--II according to the patient's perspective

scientific article

Mixed treatment comparison analysis provides internally coherent treatment effect estimates based on overviews of reviews and can reveal inconsistency

scientific article published on 15 January 2010

Mixed treatment comparison meta-analysis of complex interventions: psychological interventions in coronary heart disease

scientific article published on 03 March 2009

Mixed treatment comparison of repeated measurements of a continuous endpoint: an example using topical treatments for primary open-angle glaucoma and ocular hypertension

scientific article published on 05 July 2011

Mixture-of-exponentials models to explain heterogeneity in studies of the duration of Chlamydia trachomatis infection

scientific article published on 05 September 2012

Model averaging in the presence of structural uncertainty about treatment effects: influence on treatment decision and expected value of information.

scientific article published in March 2011

Model-Based Network Meta-Analysis: A Framework for Evidence Synthesis of Clinical Trial Data

scientific article

Modeling the need for hip and knee replacement surgery. Part 1. A two-stage cross-cohort approach

scientific article

Modeling the need for hip and knee replacement surgery. Part 2. Incorporating census data to provide small-area predictions for need with uncertainty bounds

scientific article

Modelling time-course relationships with multiple treatments: Model-based network meta-analysis for continuous summary outcomes

scientific article published on 29 May 2019

Multiple parameter evidence synthesis--a potential solution for when information on drug use and harm is in conflict.

scientific article published on 22 April 2013

Network meta-analyses and treatment recommendations for obsessive-compulsive disorder - Authors' reply

scientific article published in October 2016

Network meta-analysis in health psychology and behavioural medicine: a primer.

scientific article published on 5 April 2018

Network meta-analysis including treatment by covariate interactions: Consistency can vary across covariate values

scientific article published on 21 July 2017

Network meta-analysis with competing risk outcomes

scientific article published on 3 September 2010

Network meta-analysis: a norm for comparative effectiveness?

scientific article published in August 2015

Novel presentational approaches were developed for reporting network meta-analysis

scientific article published on 20 February 2014

Oral anticoagulants for prevention of stroke in atrial fibrillation: systematic review, network meta-analysis, and cost effectiveness analysis

scientific article published on 28 November 2017

Oral anticoagulants for primary prevention, treatment and secondary prevention of venous thromboembolic disease, and for prevention of stroke in atrial fibrillation: systematic review, network meta-analysis and cost-effectiveness analysis

scientific article published in March 2017

P3.013 The Role of Chlamydia in Pelvic Inflammatory Disease and Ectopic Pregnancy

P3.014 The Importance of Age in the Role of Chlamydia in the Etiology of Pelvic Inflammatory Disease

Parameterization of treatment effects for meta-analysis in multi-state Markov models.

scientific article published on 20 October 2010

Pelvic inflammatory disease and salpingitis: incidence of primary and repeat episodes in England.

scientific article published on 28 September 2016

Pharmacological and psychotherapeutic interventions for management of obsessive-compulsive disorder in adults: a systematic review and network meta-analysis.

scientific article published on 15 June 2016

Population Adjustment Methods for Indirect Comparisons: A Review of National Institute for Health and Care Excellence Technology Appraisals

scientific article published on 01 January 2019

Preventive strategies for group B streptococcal and other bacterial infections in early infancy: cost effectiveness and value of information analyses

scientific article

Problem drug use prevalence estimation revisited: heterogeneity in capture-recapture and the role of external evidence

scientific article published on 24 October 2015

Proportion of Pelvic Inflammatory Disease Cases Caused by Chlamydia trachomatis: Consistent Picture From Different Methods

scientific article published on 03 June 2016

Quantifying how diagnostic test accuracy depends on threshold in a meta-analysis

scientific article published on 30 September 2019

Recapture or precapture? Fallibility of standard capture-recapture methods in the presence of referrals between sources

scientific article

Representation of people with comorbidity and multimorbidity in clinical trials of novel drug therapies: an individual-level participant data analysis

scientific article published on 12 November 2019

Research decisions in the face of heterogeneity: what can a new study tell us?

scientific article published on 3 November 2011

Risk of pelvic inflammatory disease following Chlamydia trachomatis infection: analysis of prospective studies with a multistate model

scientific article published on 27 June 2013

School-based interventions to prevent anxiety and depression in children and young people: a systematic review and network meta-analysis

scientific article published on 14 November 2019

Screening strategies for atrial fibrillation: a systematic review and cost-effectiveness analysis.

scientific article published in May 2017

Selecting the best scale for measuring treatment effect in a network meta-analysis: a case study in childhood nocturnal enuresis

scientific article published on 4 June 2012

Sensitivity of treatment recommendations to bias in network meta-analysis

article

Shared parameter model for competing risks and different data summaries in meta-analysis: Implications for common and rare outcomes

scientific article published on 22 August 2019

Strategies for efficient computation of the expected value of partial perfect information

scientific article published on 21 January 2014

Study designs to detect sponsorship and other biases in systematic reviews

scientific article published on June 2010

Survival time outcomes in randomized, controlled trials and meta-analyses: the parallel universes of efficacy and cost-effectiveness

scientific article published on 31 May 2011

Symptom lead time distribution in lung cancer: natural history and prospects for early diagnosis

scientific article published on 29 August 2014

Synthesis of evidence on heterogeneous interventions with multiple outcomes recorded over multiple follow-up times reported inconsistently: a smoking cessation case-study

article

The best treatment option(s) for adult and elderly patients with chronic primary musculoskeletal pain: a protocol for a systematic review and network meta-analysis

scientific article published on 09 November 2019

The choice between hip prosthetic bearing surfaces in total hip replacement: a protocol for a systematic review and network meta-analysis

scientific article

The clinical effectiveness of sertraline in primary care and the role of depression severity and duration (PANDA): a pragmatic, double-blind, placebo-controlled randomised trial

scientific article published on 19 September 2019

The effectiveness, acceptability and cost-effectiveness of psychosocial interventions for maltreated children and adolescents: an evidence synthesis

scientific article

The feasibility of a randomised controlled trial of physiotherapy for adults with joint hypermobility syndrome

scientific article

The natural history of Chlamydia trachomatis infection in women: a multi-parameter evidence synthesis

scientific article

The process and delivery of CBT for depression in adults: a systematic review and network meta-analysis

scientific article published on 10 June 2019

Three wound-dressing strategies to reduce surgical site infection after abdominal surgery: the Bluebelle feasibility study and pilot RCT

scientific article published on 01 August 2019

Threshold Analysis as an Alternative to GRADE for Assessing Confidence in Guideline Recommendations Based on Network Meta-analyses

scientific article published on 26 March 2019

Tocolytic therapy for preterm delivery: systematic review and network meta-analysis

scientific article

Use of a random effects meta-analysis in the design and analysis of a new clinical trial

scientific article published on 06 September 2018

Using Parameter Constraints to Choose State Structures in Cost-Effectiveness Modelling

scientific article published on 24 March 2017

Value of Information: We've Got Speed, What More Do We Need?

scientific article published on 3 April 2015

Which method is best for the induction of labour? A systematic review, network meta-analysis and cost-effectiveness analysis.

scientific article published in August 2016

Which treatment is most effective for patients with patellofemoral pain? A protocol for a living systematic review including network meta-analysis

article

Α Markov model for longitudinal studies with incomplete dichotomous outcomes

scientific article published on 5 December 2016

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