Association between Clinical Frailty Scale score and hospital mortality in adult patients with COVID-19 (COMET): an international, multicentre, retrospective, observational cohort study.
Lancet Healthy Longev. 2021 Mar;2(3):e163-e170. doi: 10.1016/S2666-7568(21)00006-4. Epub 2021 Feb 9.
Lancet Healthy Longev. 2021.
PMID: 33655235
Free PMC article.