Figure and Table | Risk Factors for Stoma Outlet Obstruction: Preventing This Complication after Construction of Diverting Ileostomy during Laparoscopic Colorectal Surgery

Table 1. Comparison of the Characteristics of Patients Who Underwent Laparoscopic Surgery with Diverting Ileostomy between the Two Groups.

Variable	Non-SOO (n = 28) Mean ± SD or n	SOO (n = 6) Mean ± SD or n	P-value
Sex			0.297
Male	20	6
Female	8	0
Age (years)	67.1 (±10.0)	66.7 (±12.8)	0.944
Body mass index (kg/m²)	22.6 (±4.2)	22.8 (±1.6)	0.815
Colorectal disease
Colorectal cancer	24	5
Inflammatory bowel disease	2	1
Diverticular disease	2
Blood loss (mL)	91.7 (±141.9)	122 (±100.0)	0.552
Operative time (min)	291.1 (±205.9)	301.1 (±141.2)	0.887
High output syndrome			0.126
2000ml or more/day	5	3
less than 2000ml/day	23	3
Thickness of
Abdominal rectus muscle (mm)	9.6 (±1.8)	13.4 (±2.1)	0.005
Abdominal wall (mm)	28.8 (±9.2)	30.4 (±3.4)	0.476
The ratio of ThM/ThW	0.35 (±0.10)	0.45 (±0.09)	0.05
The angle of ileostomy (°)	95.8 (±9.1)	82.2 (±11.5)	0.033

Table 2. Comparison of The Patient Characteristics and Incidence of SOO between The LSa and LSb Groups.

Variable	LSa (n = 34) Mean ± SD or n	LSb (n = 29) Mean ± SD or n	P-value
Thickness of
Abdominal rectus muscle (mm)	10.3 (±2.4)	9.2 (±2.7)	0.054
Abdominal wall (mm)	29.0 (±8.5)	29.1 (±10.9)	0.496
The ratio of ThM/ThW	0.37 (±0.10)	0.34 (±0.10)	0.091
The angle of ileostomy (°)	93.4 (±10.7)	99.7 (±12.3)	0.043
Incidence of SOO	6	0	0.027