Stapled transperineal repair for low- and mid-level rectovaginal fistulas: A 5-year experience and comparison with sutured repair

Figure 4 Kaplan-Meier curves of risk of recurrence and the effect of prior rectovaginal fistula repair history, according to the mode of surgery (sutured vs stapled repair). A: Transperineal repair categorized as no prior repair, single, and multiple prior repair(s) in each group; B: Patients who had no prior repair history in each group; C: Patients with a single prior repair in each group; D: Patients who had more than one prior repair in each group.