Fig. 4From: The Frailty Risk Score predicts length of stay and need for rehospitalization after kidney transplantation in a retrospective cohort: a pilot studyProportion of high and low Charleson comorbidity (CM) index between younger and older patients. Bar graphs show the distribution of CM High (dark bar) and CM Low (light bar) within younger and older patients. Statistical analysis by Pearson’s chi-square testBack to article page