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

Table 2 Operative and postoperative parameters—comparison between groups

Variable	Group 1	Group 2	Test value	P value
	n = 37	n = 45
Operative time1, min	74.84 ± 29.24	84.47 ± 33.46	U = 705	0.233
Blood loss1, mL	24.38 ± 17.05	23.89 ± 20.42	U = 779.5	0.613
Hospital stay1, d	14.19 ± 5.44	14.04 ± 4.54	t = 0.131	0.896
Postoperative Wexner score1	2.73 ± 3.75	1.04 ± 1.89	U = 610	0.021
Recurrence2, n (%)	17 (45.95)	6 (13.33)	χ² = 10.701	0.001

¹Measurement data presented as mean ± standard variance.

²Categorical data presented as number and percentage of patients in each group. Group 1: Direct sutured rectovaginal fistula patients; Group 2: Stapled rectovaginal fistula patients. χ²: Chi-squared testing; U: Mann-Whitney U testing.