List of works - Wendy den Elzen

A postal screener for pain and need for treatment in older persons in primary care

scientific article published on 03 October 2014

Association Between Glycosylated Hemoglobin and Cardiovascular Events and Mortality in Older Adults without Diabetes Mellitus in the General Population: The Leiden 85-Plus Study

scientific article published on June 2015

Comparison of quadriceps strength and handgrip strength in their association with health outcomes in older adults in primary care

scientific article

Consequences of interaction of functional, somatic, mental and social problems in community-dwelling older people.

scientific article published on 21 April 2015

Correction: Predictive Value of a Profile of Routine Blood Measurements on Mortality in Older Persons in the General Population: The Leiden 85-Plus Study

scientific article published on 9 June 2015

Cytomegalovirus infection and responsiveness to influenza vaccination in elderly residents of long-term care facilities.

scientific article published on 15 April 2011

Disability transitions in the oldest old in the general population. The Leiden 85-plus study

scientific article published on 30 August 2013

Drug prescription rates in secondary cardiovascular prevention in old age: Do vulnerability and severity of the history of cardiovascular disease matter?

scientific article published on December 2015

Effect of anemia and comorbidity on functional status and mortality in old age: results from the Leiden 85-plus Study.

scientific article published on 27 July 2009

Effectiveness and cost-effectiveness of a proactive, goal-oriented, integrated care model in general practice for older people. A cluster randomised controlled trial: Integrated Systematic Care for older People--the ISCOPE study.

scientific article

Effectiveness and cost-effectiveness of proactive and multidisciplinary integrated care for older people with complex problems in general practice: an individual participant data meta-analysis

scientific article published on 22 June 2018

Glucose and total protein: unacceptable interference on Jaffe creatinine assays in patients

scientific article published on 5 February 2018

How to define reference intervals to rule in healthy individuals for clinical trials?

scientific article

Incidence and predictive factors of lower respiratory tract infections among the very elderly in the general population. The Leiden 85-plus Study

scientific article published on 03 April 2008

Interference of glucose and total protein on Jaffe based creatinine methods: mind the covolume - reply

scientific article published on 01 July 2018

International variation in GP treatment strategies for subclinical hypothyroidism in older adults: a case-based survey ⬇️

scientific article

Level of satisfaction of older persons with their general practitioner and practice: role of complexity of health problems.

scientific article

Low thyroid function and anemia in old age: the Leiden 85-plus study

scientific article published on 01 February 2015

NUMBER: standardized reference intervals in the Netherlands using a 'big data' approach

scientific article published on 01 December 2018

No increased mortality risk in older persons with unexplained anaemia

scientific article published on 14 March 2012

Perceived doctor-patient relationship and satisfaction with general practitioner care in older persons in residential homes

scientific article published on 12 April 2018

Performance of Cockcroft-Gault, MDRD, and CKD-EPI in estimating prevalence of renal function and predicting survival in the oldest old

scientific article

Physician's Prescribing Preference as an Instrumental Variable: Exploring Assumptions Using Survey Data.

scientific article

Prediction of functional decline in community-dwelling older persons in general practice: a cohort study.

scientific article published on 11 June 2018

Prediction of mortality and functional decline by changes in eGFR in the very elderly: the Leiden 85-plus study

scientific article

Predictive value of a profile of routine blood measurements on mortality in older persons in the general population: the Leiden 85-plus Study

scientific article

Predictive value of low ferritin in older persons with anemia with and without inflammation: the Leiden 85-plus Study

scientific article published on 01 August 2010

Rasch analysis reveals comparative analyses of activities of daily living/instrumental activities of daily living summary scores from different residential settings is inappropriate.

scientific article published on 17 November 2015

Self-Reported Hindering Health Complaints of Community-Dwelling Older Persons: A Cross-Sectional Study

scientific article

Statin Use and Self-Reported Hindering Muscle Complaints in Older Persons: A Population Based Study

scientific article

Study protocol: a randomised controlled trial on the clinical effects of levothyroxine treatment for subclinical hypothyroidism in people aged 80 years and over

scientific article published on 19 September 2018

Study protocol; Thyroid hormone Replacement for Untreated older adults with Subclinical hypothyroidism - a randomised placebo controlled Trial (TRUST).

scientific article

Subclinical Thyroid Dysfunction and Depressive Symptoms among the Elderly: A Prospective Cohort Study.

scientific article published on 14 July 2015

Subclinical hyperthyroidism and the risk of coronary heart disease and mortality.

scientific article published on May 2012

Subclinical thyroid dysfunction and functional capacity among elderly.

scientific article

Subnormal vitamin B12 concentrations and anaemia in older people: a systematic review

scientific article

TOPICS-MDS: a versatile resource for generating scientific and social knowledge for elderly care

scientific article published on April 2015

Telomere length and anaemia in old age: results from the Newcastle 85-plus Study and the Leiden 85-plus Study.

scientific article

The development of the Older Persons and Informal Caregivers Survey Minimum DataSet (TOPICS-MDS): a large-scale data sharing initiative

scientific article (publication date: 2013)

The effect of cognitive impairment on the predictive value of multimorbidity for the increase in disability in the oldest old: the Leiden 85-plus Study

scientific article

The effect of single and repeatedly high concentrations of C-reactive protein on cardiovascular and non-cardiovascular mortality in patients starting with dialysis

scientific article published on 31 January 2006

The effect of vitamin B12 and folic acid supplementation on routine haematological parameters in older people: an individual participant data meta-analysis

scientific article published on 08 March 2018

Thyroid Dysfunction and Anemia: A Prospective Cohort Study and a Systematic Review.

scientific article published on 10 April 2018

Thyroid Function Tests in the Reference Range and Fracture: Individual Participant Analysis of Prospective Cohorts.

scientific article published on 5 May 2017

Thyroid Function Within the Reference Range and the Risk of Stroke: An Individual Participant Data Analysis

scientific article

Thyroid Hormone Therapy for Older Adults with Subclinical Hypothyroidism.

scientific article published on 3 April 2017

Thyroid function within the normal range and risk of coronary heart disease: an individual participant data analysis of 14 cohorts

scientific article

Thyroid status and renal function in older persons in the general population

scientific article published on 15 April 2014

Use of Framingham risk score and new biomarkers to predict cardiovascular mortality in older people: population based observational cohort study.

scientific article published on 08 January 2009

Validation of a frailty index from the older persons and informal caregivers survey minimum data set.

scientific article

Validation of the Care-Related Quality of Life Instrument in different study settings: findings from The Older Persons and Informal Caregivers Survey Minimum DataSet (TOPICS-MDS).

scientific article

Variability in vulnerability assessment of older people by individual general practitioners: a cross-sectional study.

scientific article

Variation in treatment strategies of Swiss general practitioners for subclinical hypothyroidism in older adults

scientific article published on 28 July 2015

Vitamin B12 and folate and the risk of anemia in old age: the Leiden 85-Plus Study.

scientific article

Wishes and needs of community-dwelling older persons concerning general practice: A qualitative study.

scientific article

List of works by Wendy den Elzen

A postal screener for pain and need for treatment in older persons in primary care

Association Between Glycosylated Hemoglobin and Cardiovascular Events and Mortality in Older Adults without Diabetes Mellitus in the General Population: The Leiden 85-Plus Study

Comparison of quadriceps strength and handgrip strength in their association with health outcomes in older adults in primary care

Consequences of interaction of functional, somatic, mental and social problems in community-dwelling older people.

Correction: Predictive Value of a Profile of Routine Blood Measurements on Mortality in Older Persons in the General Population: The Leiden 85-Plus Study

Cytomegalovirus infection and responsiveness to influenza vaccination in elderly residents of long-term care facilities.

Disability transitions in the oldest old in the general population. The Leiden 85-plus study

Drug prescription rates in secondary cardiovascular prevention in old age: Do vulnerability and severity of the history of cardiovascular disease matter?

Effect of anemia and comorbidity on functional status and mortality in old age: results from the Leiden 85-plus Study.

Effectiveness and cost-effectiveness of a proactive, goal-oriented, integrated care model in general practice for older people. A cluster randomised controlled trial: Integrated Systematic Care for older People--the ISCOPE study.

Effectiveness and cost-effectiveness of proactive and multidisciplinary integrated care for older people with complex problems in general practice: an individual participant data meta-analysis

Glucose and total protein: unacceptable interference on Jaffe creatinine assays in patients

How to define reference intervals to rule in healthy individuals for clinical trials?

Incidence and predictive factors of lower respiratory tract infections among the very elderly in the general population. The Leiden 85-plus Study

Interference of glucose and total protein on Jaffe based creatinine methods: mind the covolume - reply

International variation in GP treatment strategies for subclinical hypothyroidism in older adults: a case-based survey ⬇️

Level of satisfaction of older persons with their general practitioner and practice: role of complexity of health problems.

Low thyroid function and anemia in old age: the Leiden 85-plus study

NUMBER: standardized reference intervals in the Netherlands using a 'big data' approach

No increased mortality risk in older persons with unexplained anaemia

Perceived doctor-patient relationship and satisfaction with general practitioner care in older persons in residential homes

Performance of Cockcroft-Gault, MDRD, and CKD-EPI in estimating prevalence of renal function and predicting survival in the oldest old

Physician's Prescribing Preference as an Instrumental Variable: Exploring Assumptions Using Survey Data.

Prediction of functional decline in community-dwelling older persons in general practice: a cohort study.

Prediction of mortality and functional decline by changes in eGFR in the very elderly: the Leiden 85-plus study

Predictive value of a profile of routine blood measurements on mortality in older persons in the general population: the Leiden 85-plus Study

Predictive value of low ferritin in older persons with anemia with and without inflammation: the Leiden 85-plus Study

Rasch analysis reveals comparative analyses of activities of daily living/instrumental activities of daily living summary scores from different residential settings is inappropriate.

Self-Reported Hindering Health Complaints of Community-Dwelling Older Persons: A Cross-Sectional Study

Statin Use and Self-Reported Hindering Muscle Complaints in Older Persons: A Population Based Study

Study protocol: a randomised controlled trial on the clinical effects of levothyroxine treatment for subclinical hypothyroidism in people aged 80 years and over

Study protocol; Thyroid hormone Replacement for Untreated older adults with Subclinical hypothyroidism - a randomised placebo controlled Trial (TRUST).

Subclinical Thyroid Dysfunction and Depressive Symptoms among the Elderly: A Prospective Cohort Study.

Subclinical hyperthyroidism and the risk of coronary heart disease and mortality.

Subclinical thyroid dysfunction and functional capacity among elderly.

Subnormal vitamin B12 concentrations and anaemia in older people: a systematic review

TOPICS-MDS: a versatile resource for generating scientific and social knowledge for elderly care

Telomere length and anaemia in old age: results from the Newcastle 85-plus Study and the Leiden 85-plus Study.

The development of the Older Persons and Informal Caregivers Survey Minimum DataSet (TOPICS-MDS): a large-scale data sharing initiative

The effect of cognitive impairment on the predictive value of multimorbidity for the increase in disability in the oldest old: the Leiden 85-plus Study

The effect of single and repeatedly high concentrations of C-reactive protein on cardiovascular and non-cardiovascular mortality in patients starting with dialysis

The effect of vitamin B12 and folic acid supplementation on routine haematological parameters in older people: an individual participant data meta-analysis

Thyroid Dysfunction and Anemia: A Prospective Cohort Study and a Systematic Review.

Thyroid Function Tests in the Reference Range and Fracture: Individual Participant Analysis of Prospective Cohorts.

Thyroid Function Within the Reference Range and the Risk of Stroke: An Individual Participant Data Analysis

Thyroid Hormone Therapy for Older Adults with Subclinical Hypothyroidism.

Thyroid function within the normal range and risk of coronary heart disease: an individual participant data analysis of 14 cohorts

Thyroid status and renal function in older persons in the general population

Use of Framingham risk score and new biomarkers to predict cardiovascular mortality in older people: population based observational cohort study.

Validation of a frailty index from the older persons and informal caregivers survey minimum data set.

Validation of the Care-Related Quality of Life Instrument in different study settings: findings from The Older Persons and Informal Caregivers Survey Minimum DataSet (TOPICS-MDS).

Variability in vulnerability assessment of older people by individual general practitioners: a cross-sectional study.

Variation in treatment strategies of Swiss general practitioners for subclinical hypothyroidism in older adults

Vitamin B12 and folate and the risk of anemia in old age: the Leiden 85-Plus Study.

Wishes and needs of community-dwelling older persons concerning general practice: A qualitative study.