Table 3.
Comparison between groups
| Variable | TSIHu+ | TSIHu− | p |
|---|---|---|---|
| Age years (SD) | 62.56 (17) | 57.21 (16.4) | |
| ≤ 70 n (%) | 9 (50) | 45 (77.5) | 0.019¶ |
| > 70 | 9 (50) | 13 (22.4) | 0.037§ |
| Gender n (%) | 0.752§ | ||
| Male | 7 (39) | 25 (43) | |
| Female | 11 (61) | 33 (57) | |
| Diabetes mellitus n (%) | 1ƒ | ||
| Yes | 2 (11) | 8 (13.8) | |
| No | 16 (88) | 50 (86.2) | |
| COPD (%) | 0.247ƒ | ||
| Yes | 2 (11) | 2 (3.6) | |
| No | 16 (88) | 54 (96.4) | |
| Smoker (%) | |||
| Yes | 7 (41.2) | 12 (22.6) | 0.135§ |
| No | 10 (58.8) | 41 (77.4) | |
| BMI kg/m2 (SD) | 29.66 (3.89) | 26.89 (4.17) | |
| ≥ 30 | 8 (47) | 11 (21.2) | 0.019† |
| < 30 | 9 (53) | 41 (78.8) | 0.038§ |
| Weight kg (SD) | 77.47 (10.21) | 73.53 (12.16) | 0.234† |
| Height cms, SD | 161.29 (7.49) | 164.67 (8.46) | 0.149† |
| Previous umbilical hernia n (%) | |||
| Yes | 3 (1,7) | 4 (7) | 0.34ƒ |
| No | 15 (83) | 53 (93) | |
| Malignancy n (%) | 2 (11.1) | 7 (12) | 1ƒ |
| Wound infection classification (%) | 0.371§ | ||
| Clean | 2 (11) | 6 (10.3) | |
| Clean–contaminated | 8 (44) | 36 (62.1) | |
| Contaminated | 8 (44) | 16 (27.6) | |
| Emergency n (%) | 0.536§ | ||
| Urgent | 7 (38.9) | 18 (31) | |
| Elective | 11 (61.1) | 40 (69) | |
| Surgeon’s experience (%) | 0.441ƒ | ||
| Junior | 3 (17) | 6 (10.5) | |
| Senior | 15 (83) | 51 (89.5) | |
| Operative time (minutes) | 94.33 (41.3) | 84.6 (45) | 0.417† |
| Follow up (months) | 33.17 (5.31) | 33.825 (4.05) | 0.582† |
§Chi square
ƒf Fisher
†t Student
¶U de Mann–Whitney