Figure 2

(a) Kaplan-Meier analysis of ulcer healing for all legs. (b) Kaplan-Meier analysis of ulcer12-month recurrence for all healed legs. (c) Kaplan-Meier analysis of ulcer recurrence by the reflux pattern of CPVR. (d) Kaplan-Meier analysis of ulcer recurrence by the reflux pattern of ISVR.