Table 1 Potential risk factors for parastomal hernia after creation of loop stoma
No parastomal hernia, n = 76 (%) | Parastomal hernia, n = 77 (%) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
P value | OR (95%CI) | P value | |||
Sex: male/female | 52 (68)/24 (32) | 57 (74)/20 (26) | 0.444 | ||
Age, years (range) | 61.0 (27.0–81.0)a | 63.0 (37.0–80.0)a | 0.419 | 0.148 | |
BMI, kg/m2 (range) | 21.5 (14.7–31.6)a | 23.0 (15.9–33.4)a | 0.070 | 0.162 | |
Abdominal wall thickness, mm | 28.6 (12.0–50.7)a | 30.6 (10.2–56.7)a | 0.352 | ||
Rectus abdominis muscle thickness, mm | 10.7 (6.0–17.0)a | 10.0 (1.0–19.0)a | 0.239 | ||
Diabetes mellitus | 14 (18) | 12 (16) | 0.640 | 0.739 | |
History of open laparotomy | 26 (34) | 22 (29) | 0.452 | ||
Preoperative treatment: NAC or CRT | 19 (25) | 26 (34) | 0.234 | ||
Emergency operation | 11 (15) | 8 (10)) | 0.189 | ||
ASA score: 1/2/3 | 25 (33)/49 (65)/2 (3) | 24 (31)/52 (68)/1 (1) | 0.545 | ||
Operation time | 243.0 (19.0–840.0)a | 290.0 (16.0–717.0)a | 0.381 | ||
Blood loss | 48.5 (0.0–11,523.0)a | 44.0 (0.0–3051.0)a | 0.778 | ||
Blood transfusion | 6 (8) | 5 (7) | 0.737 | ||
Approach type: laparoscopy/open | 51 (67)/25 (33) | 58 (75)/19 (25) | 0.261 | 0.731 | |
Stoma type: ileostomy/colostomy | 62 (82)/14 (18) | 67 (87)/10 (13) | 0.355 | 0.604 | |
Specimen extraction from stoma site | 12 (16) | 21 (27) | 0.084 | 2.159 (0.950–4.909) | 0.066 |
Stoma not through middle of rectus abdominis muscle | 40 (53) | 57 (74) | 0.006 | 2.679 (1.341–5.352) | 0.005 |
Height of stoma, mm (range) | 11.5 (3.0–30.0)a | 12.0 (5.0–30.0)a | 0.163 | ||
Incision size of stoma, mm (range) | 38.0 (20.0–70.0)a | 40.0 (20.0–71.0)a | 0.650 | 0.681 | |
Base area of stoma, cm2 (range) | 40.6 (12.6–107.4)a | 40.6 (18.8–93.7)a | 0.975 | ||
Volume of stoma, cm3 (range) | 21.1 (4.4–110.4)a | 22.8 (4.8–88.3)a | 0.312 | ||