Table 4 Univariate and multivariate analysis of the risk factors for SSI
Variable | Infection (n = 8) | No infection (n = 114) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|---|
P value | Odds ratio | 95% CI | P value | |||
Mean age ± SD | 56.2 ± 5.8 | 56 ± 10.6 | 0.96 | – | – | – |
Male patient (%) | 3 (37.5) | 53 (46.5) | 0.72 | – | – | – |
Female patient (%) | 5 (62.5) | 61 (53.5) | 0.72 | – | – | – |
Diabetes mellitus (%) | 6 (75) | 24 (21) | 0.002 | 11.2 | 2.13–59.31 | 0.004 |
Hepatic disease (%) | 3 (37.5) | 30 (26.3) | 0.44 | – | – | – |
More than 1 comorbidity (%) | 2 (25) | 9 (7.9) | 0.15 | – | – | – |
ASA grade III–IV (%) | 1 (12.5) | 22 (19.3) | 1 | – | – | – |
Previous recurrence (%) | 3 (37.5) | 10 (8.8) | 0.04 | 6.24 | 1.29–30 | 0.02 |
Umbilical hernia (%) | 7 (87.5) | 96 (84.2) | 1 | – | – | – |
Incisional hernia (%) | 1 (12.5) | 9 (7.9) | 0.5 | – | – | – |
Strangulation (%) | 7 (87.5) | 63 (55.2) | 0.13 | – | – | – |
CDC class III wound | 4 (50) | 17 (14.9) | 0.03 | 5.7 | 1.3–25.03 | 0.02 |
Resection anastomosis (%) | 4 (50) | 17 (14.9) | 0.03 | 5.7 | 1.3–25.03 | 0.02 |
Mesh repair | 5 (62.5) | 61 (53.5) | 0.72 | – | – | – |
Suture repair | 3 (37.5) | 53 (46.5) | 0.72 | – | – | – |