Fig. 6From: The Frailty Risk Score predicts length of stay and need for rehospitalization after kidney transplantation in a retrospective cohort: a pilot studya Association between high and low Frailty Risk Score (FRS) and average (avg.) number of readmissions. Bar graphs show the average (avg.) number of hospital readmissions by FRS High compared with FRS Low; standard deviation shown in error bar. b Association between high and low Charleson comorbidity (CM) index and average (avg.) number of readmissions. Bar graphs show the average (avg.) number of hospital readmissions by CM High compared with CM Low; standard deviation shown in error bar. Statistical analysis by t testBack to article page