Fig. 1From: Frailty assessment and risk prediction by GRACE score in older patients with acute myocardial infarctionFrequency histogram for the distribution of Clinical Frailty Scale scores (range 1–9) in the study population. Appended table shows the mean age, GRACE 12-month mortality risk estimation, Charlson comorbidity index and Karnofsky scale score in the study sample with each CFS score. By ANOVA, each of these measures demonstrated a significant change with increasing CFS scores (all p < 0.001)Back to article page