Defecation function and quality of life in patients with slow-transit constipation after colectomy

Table 2 Defecation function of patients with slow-transit constipation following surgery at each time point

	Preoperative	Postoperative
		3 mo	6 mo	1 yr	2 yr
Number of patients, follow-up	30	30	30	30	29
Bowel movements/wk	1.2 ± 0.6	42.5 ± 22.3a	33.0 ± 21.6a	31.3 ± 19.6a	27.9 ± 20.5a2
WC	20.4 ± 4.1	5.9 ± 3.4a	6.2 ± 4.1a	5.5 ± 3.4a	5.0 ± 3.7a1
WI	-	2.7 ± 3.6	1.0 ± 2.1a	1.2 ± 2.7a	1.1 ± 2.1c2
Abdominal pain	17 (56.7)	18 (60)	15 (50.0)	12 (40)	6 (20.7)a3
Bloating	29 (96.7)	14 (46.7)a	15 (50.0)a	12 (40)a	7 (24.1)a3
Diarrhea	-	23 (76.7)	18 (60)	17 (56.7)	14 (48.3)c3
Straining	30 (100.0)	3 (10.0)a	6 (20.0) a	5 (16.7)a	5 (17.2)a3
Laxative	29 (96.7)	0 (0)a	0 (0)a	0 (0)a	1 (3.5)a3
Enema use	21 (70)	2 (6.7)a	5 (16.7)a	3 (10.0)a	2 (6.9)a3

Data are shown as the mean ± SD or n (%).

¹Paired samples t-test.

²Wilcoxon rank sum test.

³χ² test.

^aP < 0.05 vs preoperative data.

^cP < 0.05 vs 3-mo follow-up data. WC: Wexner constipation scale; WI: Wexner incontinence scale.