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European Geriatric Medicine · 2022 · 15 citations · 20 references
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A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation
Mary E. Charlson, Peter Pompei, Kathy L. Aleš et al. · Journal of Chronic Diseases · 1987 · 48.8K citations
Prognostic Assessment, Longitudinal Studies, Prognostic Comorbidity +11
Dexamethasone in Hospitalized Patients with Covid-19
New England Journal of Medicine · 2020 · 9.9K citations · Full text
A global clinical measure of fitness and frailty in elderly people
Kenneth Rockwood · Canadian Medical Association Journal · 2005 · 8.4K citations · Full text
Development and validation of a Hospital Frailty Risk Score focusing on older people in acute care settings using electronic hospital records: an observational study
Thomas Gilbert, Jenny Neuburger, Joshua Kraindler et al. · The Lancet · 2018 · 1.4K citations · Full text
Risk stratification of patients admitted to hospital with covid-19 using the ISARIC WHO Clinical Characterisation Protocol: development and validation of the 4C Mortality Score
Stephen R Knight, Antonia Ho, Riinu Pius et al. · BMJ · 2020 · 1.1K citations · Full text