Timing of ligation of the intersphincteric fistula tract after loose seton drainage in complex anal fistulas

Table 1 Analysis of risk factors for recurrence

Variable	Recurrence, mean	No recurrence, mean	P value
n	4	44
Age	55	44.2	0.075
Fistula length in mm	38.1	38.5	0.313
Abscess diameter in mm	32	28.5	0.465
Preoperative Wexner score	3.3	2.05	0.490
Postoperative Wexner score	2.1	1.6	0.522

Table 2 Change in Wexner incontinence scores before and after ligation of intersphincteric fistula tract

Preoperative Wexner score, mean	Postoperative Wexner score, mean	Mean difference	Wilcoxon P
2.2	1.7	-0.510	0.333