Favorable surgical treatment outcomes for chronic constipation with features of colonic pseudo-obstruction

Table 1 Preoperative clinical characteristics and postoperative results of patients with constipation

		CPO (n = 33)	STC (n = 9)	P value
Preoperative clinical characteristics
Sex (male/female)	21/21	16/17	5/4	0.43
Age (yr)	51.2 ± 16.1	50.7 ± 16.2	53.2 ± 16.6	0.23
Constipation duration (mo)	67.1 ± 72.8	38.3 ± 49.4	69.7 ± 75.1	0.34
Defecation frequency (times/wk)	1.6 ± 0.5	1.5 ± 0.3	1.6 ±0.6	0.15
Postoperative results
Gas passing (d)	4.2 ± 1.5	4.1 ± 1.0	5.1 ± 0.8	< 0.01
Postoperative hospital stay (d)	11.4 ± 4.7	10.7 ± 4.9	13.3 ± 3.2	0.07
Defecation frequency (times/d) at 3 mo postop	5.1 ± 3.6	4.2 ± 3.2	5.2 ± 3.1	0.56

CPO: Colonic pseudo-obstruction; STC: Slow-transit constipation.