Validation of asthma recording in the Clinical Practice Research Datalink (CPRD) - Nissen, Francis; Morales, Daniel R; Mullerova, Hana; Smeeth, Liam; Douglas, Ian J; Quint, Jennifer K (BMJ open, 2017)
Keywords: Adult; Aged; Algorithms; Anti-Asthmatic Agents - therapeutic use; Asthma; Asthma - complications; Asthma - diagnosis; Asthma - drug therapy; Chronic obstructive pulmonary disease; Clinical Coding; Databases, Factual; Electronic Health Records; Epidemiology; Female; Humans; Male; Medical records; Middle Aged; Physicians; Practice research; Primary Health Care; Reproducibility of Results; Spirometry; Surveys and Questionnaires; United Kingdom; United Kingdom; United Kingdom--UK; positive predictive value; epidemiology; asthma; electronic health records; validation