Modified stapled hemorrhoidopexy for lower postoperative stenosis: A five-year experience

Table 1 Baseline characteristics of the participants in this study, n (%)

Characteristics	Participants (n = 500)
Age (years)	52.2 ± 13.5
Sex (male)	183 (36.6)
Previous surgery (RBL)	227 (45.4)
Advanced hemorrhoid (grade IV)	172 (34.4)
Operation time (minute)	17.3 ± 4.0
Blood loss (mL)	5.3 ± 3.2
Hospital course (day)	2.3 ± 0.5

RBL: Rubber band ligation.

Table 2 Characteristics of study participants undergoing different stapled hemorrhoidectomy procedures, n (%)

Characteristics of study participants	Operation		P value
	Modified (n = 187)	Tradition (n = 313)
Age (years)	50.9 ± 12.8	53.0 ± 13.9	0.085
Sex (male)	77 (41.2)	106 (33.9)	0.101
Previous surgery (RBL)	101 (54.0)	126 (40.3)	0.003
Advanced hemorrhoid (grade IV)	81 (43.3)	91 (29.1)	0.001
Operation time (minute)	18.5 ± 4.2	16.6 ± 3.6	< 0.001
Blood loss (mL)	5.0 ± 0.2	5.4 ± 4.0	0.060
Hospital course (day)	2.2 ± 0.4	2.4 ± 0.6	< 0.001
Complication
None	155 (82.9)	264 (84.3)	0.669
Bleeding	4 (2.1)	7 (2.2)	0.940
Infection	0 (0)	0 (0)	-
Dysuria	20 (10.7)	21 (6.7)	0.116
Anal stenosis	5 (2.7)	21 (6.7)	0.049
Others	3 (1.6)	4 (1.3)	0.764
Redo surgery	7 (3.7)	11 (3.5)	0.894

RBL: Rubber band ligation.

Table 3 Simple regression and multiple regression for the presence of anal stenosis

Variable	OR (95%CI)	P value	Multiple regreaion, OR (95%CI)	P value
Sex	0.920 (0.408-2.071)	0.840	-	-
Age	1.030 (1.001-1.059)	0.041a	1.024 (0.995-1.054)	0.099
Previous surgery (RBL)	3.082 (1.314-7.230)	0.010a	3.597 (1.506-8.590)	0.004a
Severity (grade IV)	0.840 (0.358-1.974)	0.840	-	-
Modified SH	0.251 (0.085-0.741)	0.012a	0.211 (0.069-0.641)	0.006a

^aP value < 0.05.

95%CI: 95% confidence interval; OR: Odds ratio; RBL: Rubber band ligation; SH: Stapled hemorrhoidopexy.