Variable | No SSI (N = 87) N (%) | SSI (N = 9) N (%) | Univariate analysis (N = 96) | Multivariate analysis (N = 96) | ||
---|---|---|---|---|---|---|
OR (95% CI) | P value | OR (95% CI) | P value | |||
Age | ||||||
< 65 years old | 38 (43.7) | 7 (77.8) | 4.513 (0.886–22.979) | 0.070 | ||
≥ 65 years old | 49 (56.3) | 2 (22.2) | Reference | |||
BMI | 0.037 | |||||
Underweight | 9 (10.3) | 1 (11.1) | 5.11 (0.29–89.46) | 0.264 | 4.92 (0.24–200.91) | 0.301 |
Overweight | 27 (31.0) | 4 (44.4) | 6.82 (0.72–64.16) | 0.093 | 8.17 (0.77–87.19) | 0.082 |
Obese | 5 (5.7) | 3 (33.3) | 27.60 (2.40–317.97) | 0.008* | 44.8 (3.25–615.84) | 0.004 |
Normal | 46 (52.9) | 1 (11.1) | Reference | Reference | ||
History and comorbidities | ||||||
Smoker# | 11 (12.6) | 0 (0) | 0.00 (0.00–none) | 0.999 | ||
DM# | 14 (16.1) | 2 (22.2) | 0.68 (0.13–3.57) | 0.640 | ||
History of active cancer# | 12 (13.8) | 2 (22.2) | 0.56 (0.10–3.02) | 0.500 | ||
Albumin | ||||||
≤ 35 | 53 (60.9) | 7 (77.8) | 2.25 (0.44–11.45) | 0.331 | ||
> 35 | 34 (39.1) | 2 (22.2) | Reference | |||
Treatment | ||||||
Chemotherapy# | 4 (4.6) | 2 (22.2) | 0.078 (0.01–0.66) | 0.019 | 12.08 (1.35–107.93) | 0.026 |
Radiotherapy# | 5 (5.7) | 0 (0) | 0.00 (0.00–none) | 0.999 | ||
Steroids# | 4 (4.6) | 1 (11.1) | 0.23 (0.02–2.61) | 0.237 | ||
Type of dressing | ||||||
PICO | 45 (51.7) | 2 (22.2) | 0.27 (0.05–1.36) | 0.111 | ||
Conventional | 42 (48.3) | 7 (77.8) | Reference | |||
Diagnosis | 0.830 | |||||
Benign obstruction | 13 (14.9) | 1(11.1) | 0.15 (0.01–3.58) | 0.244 | ||
Benign perforation ischemia | 24 (27.6) | 4 (44.4) | 0.33 (0.02–4.60) | 0.412 | ||
Malignant obstruction | 6 (6.9) | 1 (11.1) | 0.33 (0.01–8.18) | 0.501 | ||
Malignant perforation | 33 (37.9) | 2 (22.2) | 0.12 (0.01–1.98) | 0.139 | ||
Trauma | 5 (5.7) | 0 (0) | 0.00 (0.00-none) | 0.999 | ||
Haemorrhage | 4 (4.6) | 0 (0) | Reference |