Coding algorithms for defining Charlson and Elixhauser co-morbidities in Read-coded databases
Metcalfe D, Masters J, Delmestri A, Judge A, Perry D, Zogg C, Gabbe B, Costa M. Coding algorithms for defining Charlson and Elixhauser co-morbidities in Read-coded databases. BMC Medical Research Methodology 2019, 19: 115. PMID: 31170931, PMCID: PMC6554904, DOI: 10.1186/s12874-019-0753-5.Peer-Reviewed Original ResearchConceptsCharlson Comorbidity IndexClinical Practice Research DatalinkElixhauser methodHip fractureLogistic regression modelsRead codesLarge primary care databaseUK primary care practicesPrimary care databasePrimary care practicesComorbidity categoriesComorbidity indexRegression modelsComorbidity measuresCare databaseComorbidity codesMethodsTwo researchersPredictive valueCare practicesControl populationPredictive propertiesReceiver Operating Characteristic (ROC) curveCharacteristic curveComorbiditiesOperating Characteristic curve