Table 2. Preoperative risk factors in the study groups.
ASA score: American Society of Anesthesiologists score; AWD: abdominal wound dehiscence; non-AWD: non-abdominal wound dehiscence
| Risk factor | AWD group (n = 59) | Non-AWD group (n = 92) | Test statistics | p-value |
| Frequency (%) | ||||
| Hemoglobin (<10 g/dL) | 32 (54.2%) | 32 (34.8%) | χ² = 4.130 | 0.044 |
| Serum albumin (<3.5 g/dL) | 38 (64.4%) | 35 (38.0%) | χ² = 4.718 | 0.032 |
| White blood cell count (>11×10⁹/L) | 26 (44.1%) | 22 (23.9%) | χ² = 5.848 | 0.015 |
| ASA score (≥3) | 18 (30.5%) | 12 (13.0%) | χ² = 5.427 | 0.021 |
| Presence of anemia | 36 (61.0%) | 33 (35.9%) | χ² = 10.390 | 0.011 |
| Preoperative infection | 41 (69.5%) | 30 (32.6%) | χ² = 20.693 | <0.001 |
| Nutritional supplementation before surgery | 19 (32.2%) | 15 (16.3%) | χ² = 4.013 | 0.045 |