Fig. 1From: Association between frailty and mortality among patients with accidental hypothermia: a nationwide observational study in JapanFlow chart of the enrolment of the study participants. Of the 1363 patients with hypothermia, 920 patients were enrolled, and 443 patients were excluded. The 920 patients were divided into the frail group (N = 221) and the non-frail group (N = 699). ED, emergency department; CFS, clinical frailty scaleBack to article page