Figure 2. Overlap of Frailty, Comorbidity, and Disability.
Frailty is defined as 3 or more components as defined by Fried. Disability is defined as the need for assistance in 2 or more activities of daily living categories. Comorbidity is defined as 4 or more conditions as specified in the methods. The total represents 166 study participants on hemodialysis. The n of each subgroup indicated in parentheses.