Fig. 1From: Performance of the APOP-screener for predicting in-hospital mortality in older COVID-19 patients: a retrospective studySubdivisions of the clinical frailty scores within the APOP-screener categories. APOP: Acute Presenting Older Patient. The four pie charts correlate with the four possible outcomes of the APOP-screener. The subdivisions within the pie chart consist of the distribution of frailty when assessed following the Clinical Frailty ScaleBack to article page