Table 2.
Clinical and biochemical risk factors for MDR-O SSI
| Univariate analysis | Multivariate analysis | ||||||
|---|---|---|---|---|---|---|---|
| Risk factor | MDR-O SSI (N: 47 [%]) | Non MDR-O SSI (N: 47 [%]) | No SSI (N: 47 [%]) | MDR vs. Non MDR OR (CI 95%) | Sig | MDR vs. No SSI 0OR (CI 95%) | Sig |
| Previous hospital admission | 27 [57.4%]** | 22[46.8]** | 7 [14.8%] | 2.11 (0.46; 9.68) | 0.337 | 1.62 (0.23; 11.39) | 0.627 |
| Previous antibiotic therapy | 15[31.9%]* | 18 [38.3%]** | 5 [10.6%] | 0.24 (0.05; 2.54) | 0.084 | 2.32 (0.25; 21.5) | 0.459 |
| Previous immunosuppression | 6 [12.7%] | 9 [19.1%] | 3 [6.3%] | 0.524 (0.108; 2.54) | 0.422 | 2.33 (0.288; 18.8) | 0.428 |
| BMI (kg/m2) | 25.2 ± 6.48 | 24.7 ± 5.2 | 25.6 ± 4 | – | – | – | – |
| BMI < 18.5 and > 30 | 13 [27.6%]* | 7 [14.8] | 4 [8.5%] | 1.42 (0.38; 5.28) | 0.596 | 1.46 (0.246; 8.68) | 0.676 |
| DMT2 | 8 [17%] | 9 [19.1%] | 3 [6.3%] | 0.655 (0.15; 2.91) | 0.577 | 2.92 (0.385; 22.2) | 0.3 |
| Weight loss | 26 [55.3%]** | 20 [42.5%]* | 9 [19.1%] | 0.33 (0.07; 1.54) | 0.157 | 0.031 (0.001; 1.25) | 0.066 |
| ASA score 3–4 | 22 [46.8%]*,§ | 11 [23.4%] | 5 [10.6%] | 2.52 (0.77; 8.24) | 0.127 | 4.74 (1.02; 22.05) | 0.047 |
| Preoperative stay (days) | 8 ± 10.5**,§ | 3.1 ± 4.3 | 2.6 ± 4.8 | 2.99 (0.83; 10.8) | 0.094 | 1.19 (0.26; 5.4) | 0.818 |
| Hemoglobin (g/L) | 12.2 ± 2.2 | 11.9 ± 2.5* | 12.9 ± 2 | 0.287 (0.07; 1.54) | 0.075 | 0.68 (0.138; 3.39) | 0.644 |
| RBC (× 1012/L) | 4.44 ± 0.8 | 4.52 ± 1.4 | 4.6 ± 0.6 | 1.64 (0.44; 6.11) | 0.46 | 2.86 (0.47; 17.32) | 0.254 |
| WBC(× 109/L) | 9.5 ± 4.9 | 9.4 ± 3.7 | 9.3 ± 4.7 | 1.33 (0.4; 4.42) | 0.639 | 1.09 (0.24; 4.93) | 0.904 |
| Lymphocyte (× 109/L) | 1.78 ± 0.9 | 1.74 ± 0.3** | 1.96 ± 0.40 | – | – | – | – |
| CRP (g/L) | 54.4 ± 84.8 | 55.7 ± 75.3 | 29.7 ± 64.5 | 1.81 (0.5; 6.53) | 0.363 | 0.56 (0.13; 2.36) | 0.429 |
| Total proteins (g/L) | 60.3 ± 7.9**,§ | 64.1 ± 6.6* | 66.9 ± 5.6 | 1.02 (0.25; 4.08) | 0.979 | 4.28 (0.68; 26.8) | 0.12 |
| Albumin (g/L) | 30.7 ± 6.7**,§ | 33.6 ± 5.9** | 36.6 ± 3.9 | 1.9 (0.29; 13.32) | 0.499 | 1.09 (0.047; 25.5) | 0.955 |
| Transthyretin (g/L) | 0.15 ± 0.06**,§ | 0.18 ± 0.05** | 0.2 ± 0.03 | 9.54 (1.2; 75.8) | 0.033 | 171 (4.49; 6522) | 0.006 |
*p < 0.05 vs No SSI. **p < 0.01 vs No SSI. §p < 0.05 vs non-MDR-O SSI. §§p < 0.01 vs non-MDR-O SSI