Ligation of intersphincteric fistula tract and its modification: Results from treatment of complex fistula

Table 2 Patient demographic data

	LIFT	LIFT plus	P vaule
Patients	21	20
Age average	43.95 ± 12.35	37.45 ± 10.58
(mean ± SD, yr) (range)	(23-71)	(21-54)	0.650
Sex
Male	17	14	0.326
Female	4	6
Underlying disease	0	0
BMI (kg/m2, mean ± SD)	24.20 ± 4.62	23.08 ± 5.38	0.480
Prior fistula operation	0	0
Fistula type			0.365
High-transsphincteric	19	14
Horseshoe-transsphincteric	1	3
Suprasphincteric	0	1
Low-transsphincteric	1	2
Preoperative incontinence
Clinical	A	A
WIS	0	0
Timing from diagnosis of fistula-in- ano to operation (median, wk) (range)	16 (4-52)	18 (4-150)	0.547

BMI: Body mass index; WIS: Wexner incontinence score; LIFT: Ligation of intersphincteric fistula tract.