Colostomy is a simple and effective procedure for severe chronic radiation proctitis

Table 3 Bleeding remissions in severe radiation proctitis after treatment

Variables	Diverting Colostomy (n = 22)	Conservative treatment (n = 25)	P value
6 mo after treatment
Remission of bleeding	17/18 (94%)	3/25 (12%)	< 0.0011
Remission of refractory perianal pain	8/8 (100%)	0/6 (0%)	< 0.0012
Score of bleeding, mean ± SD	1.1 ± 0.5	2.2 ± 0.7	< 0.0013
Elevated Hb, mean ± SD	34.1 ± 18.2	-12.3 ± 9.14	< 0.001
Remission of moderate bleeding	8/8 (100%)	6/19 (21.5%)	0.0022
Remission of severe bleeding	11/11 (100%)	0/5 (0)	< 0.0012
Score of bleeding, mean ± SD	0.8 ± 0.5	2.0 ± 0.9	< 0.0013
Post-treatment recto-vaginal fistula	0/22	3/25 (12%)	0.2372
Elevated Hb, mean ± SD	40.3 ± 19.3	-1.9 ± 32.54	0.003

¹χ² test;

²Fisher exact test;

³Wilcoxon rank-sum test;

⁴Represents decreased level.