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

Table 5 Sub-group analysis

n = 99		Immediate postoperative (before Kegel exercises)	Long-term (after Kegel exercises)	P value
Urge	Number of patients	24	10	0.00007, t-test
	Mean scores	0.88 ± 1.62	0.20 ± 0.66
	Total score	88	20
Gas	Number of patients	8	3	0.03, t-test
	Mean scores	0.16 ± 0.60	0.04 ± 0.24
	Total score	16	4
Liquid	Number of patients	7	2	0.03, t-test
	Mean scores	0.14 ± 0.58	0.02 ± 0.14
	Total score	14	2
Solid	Number of patients	0	0