Table 4.
Univariable analysis of factors linked to incisional SSI†.
| Incisional SSI (n, %) | No incisional SSI (n, %) | P value | ||
|---|---|---|---|---|
| Patients (n) | 29 | 297 | ||
| POA | Yes | 19 (66%) | 135 (46%) | 0.04 |
| No | 10 (34%) | 162 (54%) | ||
| RBC transfusion | Yes | 3 (10%) | 33 (11%) | 0.90 |
| No | 26 (90%) | 264 (89%) | ||
| Age | ≤65 years | 16 (55%) | 181 (61%) | 0.54 |
| >65 years | 13 (45%) | 116 (39%) | ||
| Gender | Males | 18 (62%) | 173 (58%) | 0.69 |
| Females | 11 (38%) | 124 (42%) | ||
| BMI | <25 kg/m2 | 23 (79%) | 262 (88%) | 0.17 |
| ≥25 kg/m2 | 6 (21%) | 35 (12%) | ||
| Location of cancer | Colon | 9 (31%) | 122 (41%) | 0.29 |
| Rectum | 20 (69%) | 175 (59%) | ||
| ASA classification | ASA-1/2 | 27 (93%) | 282 (95%) | 0.67 |
| ASA-3 | 2 (7%) | 15 (5%) | ||
| Hypertension | Yes | 8 (28%) | 67 (23%) | 0.54 |
| No | 21 (72%) | 230 (77%) | ||
| Diabetes | Yes | 2 (7%) | 28 (9%) | 0.65 |
| No | 27 (93%) | 269 (91%) | ||
| Cardiac diseases | Yes | 2 (7%) | 13 (4%) | 0.54 |
| No | 28 (93%) | 284 (96%) | ||
| Respiratory diseases | Yes | 0 (0%) | 12 (4%) | 0.27 |
| No | 29 (100%) | 285 (96%) | ||
| Renal diseases | Yes | 1 (4%) | 0 (0%) | 0.09 |
| No | 28 (96%) | 296 (100%) | ||
| Cerebral diseases | Yes | 0 (0%) | 7 (2%) | 1.00 |
| No | 29 (100%) | 290 (98%) | ||
| Abdominal surgical history | Yes | 7 (24%) | 47 (16%) | 0.25 |
| No | 22 (76%) | 250 (84%) | ||
| Types of operation | Laparoscopic surgery | 15 (52%) | 154 (36%) | 0.75 |
| Open surgery | 14 (48%) | 163 (64%) | ||
| Stoma formation | Yes | 12 (41%) | 24 (8%) | <0.01 |
| No | 17 (59%) | 273 (92%) | ||
| Surgical resection | Colon resection | 8 (28%) | 123 (41%) | 0.15 |
| Rectum resection | 21 (72%) | 174 (59%) | ||
| Cancer size(cm) | <4 | 9 (31%) | 113 (38%) | 0.46 |
| ≥4 | 20 (69%) | 184 (62%) | ||
| T stage | T1/T2 | 7 (24%) | 57 (19%) | 0.52 |
| T3/T4 | 22 (76%) | 240 (81%) | ||
| AJCC-TNM stage | I/II | 22 (76%) | 176 (59%) | 0.08 |
| III/IV | 7 (24%) | 121 (41%) |
†SSI: surgical site infection.