title: Methods of classifying disability and severity of illness in ambulatory care patients.
mesh_terms: D000203:Activities of Daily Living; D000553:Ambulatory Care; D002908:Chronic Disease; D002965:Classification; D004194:Disease / Q000145:classification; D006801:Humans; D009017:Morbidity; D012959:Socioeconomic Factors; D009626:Terminology as Topic