Coding algorithms for defining Charlson and Elixhauser co-morbidities in Read-coded databases

HbA 1C variability and hypoglycemia hospitalization in adults with type 1 and type 2 diabetes: A nested case-control study

(2018) Victor W. Zhong et al.   JOURNAL OF DIABETES AND ITS COMPLICATIONS

Drug therapy for alcohol dependence in primary care in the UK: A Clinical Practice Research Datalink study

(2017) Andrew Thompson et al.   PLoS One

Suicide risk in primary care patients diagnosed with a personality disorder: a nested case control study

(2016) Michael Doyle et al.   BMC Family Practice

Predicting 30-day mortality following hip fracture surgery: Evaluation of six risk prediction models

(2015) Julian Karres et al.   INJURY-INTERNATIONAL JOURNAL OF THE CARE OF THE INJURED

Data Resource Profile: Clinical Practice Research Datalink (CPRD)

(2015) Emily Herrett et al.   INTERNATIONAL JOURNAL OF EPIDEMIOLOGY

A Comparison of the Charlson and Elixhauser Comorbidity Measures to Predict Inpatient Mortality After Proximal Humerus Fracture

(2015) Mariano E. Menendez et al.   JOURNAL OF ORTHOPAEDIC TRAUMA

Predicting In-Hospital Mortality in Elderly Patients With Cervical Spine Fractures

(2015) Mariano E. Menendez et al.   SPINE

Inequalities in physical comorbidity: a longitudinal comparative cohort study of people with severe mental illness in the UK

(2015) Siobhan Reilly et al.   BMJ Open

An algorithm to identify rheumatoid arthritis in primary care: a Clinical Practice Research Datalink study

(2015) Sara Muller et al.   BMJ Open

Examining variations in prescribing safety in UK general practice: cross sectional study using the Clinical Practice Research Datalink

(2015) S Jill Stocks et al.   BMJ-British Medical Journal

Examining variations in prescribing safety in UK general practice: cross sectional study using the Clinical Practice Research Datalink

(2015) S Jill Stocks et al.   BMJ-British Medical Journal

Exposure to sodium channel-inhibiting drugs and cancer survival: protocol for a cohort study using the QResearch primary care database: Table 1

(2014) Caroline Fairhurst et al.   BMJ Open

Can analyses of electronic patient records be independently and externally validated? The effect of statins on the mortality of patients with ischaemic heart disease: a cohort study with nested case–control analysis

(2014) David Reeves et al.   BMJ Open

Withdrawing performance indicators: retrospective analysis of general practice performance under UK Quality and Outcomes Framework

(2014) E. Kontopantelis et al.   BMJ-British Medical Journal

Optimising Use of Electronic Health Records to Describe the Presentation of Rheumatoid Arthritis in Primary Care: A Strategy for Developing Code Lists

(2013) Amanda Nicholson et al.   PLoS One

Systematic Review of Comorbidity Indices for Administrative Data

(2012) Mansour T. A. Sharabiani et al.   MEDICAL CARE

Updating and Validating the Charlson Comorbidity Index and Score for Risk Adjustment in Hospital Discharge Abstracts Using Data From 6 Countries

(2011) H. Quan et al.   AMERICAN JOURNAL OF EPIDEMIOLOGY

Validation of The Health Improvement Network (THIN) database for epidemiologic studies of chronic kidney disease

(2011) Michelle R. Denburg et al.   PHARMACOEPIDEMIOLOGY AND DRUG SAFETY

Adaptation and validation of the Charlson Index for Read/OXMIS coded databases

(2010) Nada F Khan et al.   BMC Family Practice