Efficacy of Kegel exercises in preventing incontinence after partial division of internal anal sphincter during anal fistula surgery

Table 1 Modified Vaizey’s incontinence scores

Factor	Never	Rarely	Sometimes	Weekly	Daily
Incontinence for solid stool	0	1	2	3	4
Incontinence for liquid stool	0	1	2	3	4
Incontinence for gas	0	1	2	3	4
Alteration in lifestyle	0	1	2	3	4
Need to wear a pad	No = 0
	Yes = 2
Taking constipating medicines	No = 0
	Yes = 2
Urge incontinence (inability to defer defection by 15 min)	0	1	2	3	4

Never: No episodes in the past 4 wk; Rarely: 1 episode in the past 4 wk; Sometimes: > 1 episode in the past 4 wk but < 1 a week; Weekly: ≥ 1 a week, < 1 daily; Daily: ≥ 1 a day. In Vaizey’s scores, Urge incontinence had only two categories (no = 0, yes = 4). In modified Vaizey’s scores, Urge incontinence was given five score categories (0-4) as shown in the table above.