Table 4.

Comparative analysis of VAS and Wexner scores for anal incontinence in observation and control groups at preoperative and postoperative intervals.

Group	Preoperative VAS score (x ± s)	7d postoperative VAS score (x ± s)	14d postoperative VAS score (x ± s)	3-mo Postoperative Wexner score (x ± s)
Control (n = 56)	0.66 ± 0.20	2.33 ± 0.65	3.50 ± 0.89	5.73 ± 0.42
Observation (n = 60)	0.69 ± 0.18	2.37 ± 0.68	2.03 ± 0.65	2.37 ± 0.55
t-value	0.22	0.27	7.95	28.50
P value	14.700	14.150	.002	.001

VAS = visual analogue scale.