Table 2.
Risk factors for short-term postoperative complications in patients with severe ulcerative colitis
| Risk factors | Total severe patients (N = 32) | Patients with short-term postoperative complications (n = 16) | Patient without short-term postoperative complications (n = 16) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|---|---|
| Statistical values | P | OR (95% CI) | P | ||||
| Preoperative hospital stay (days), mean ± SD | 24.0 ± 18.7 | 31.2 ± 20.6 | 13.6 ± 16.8 | −2.342* | 0.026 | 1.023 (0.968–1.081) | 0.424 |
| Serum albumin, n (%) | 7.713† | 0.035 | 1.918 (0.671–5.487) | 0.224 | |||
| ≥35 g/L | 5 (15.6) | 2 (12.5) | 3 (18.8) | ||||
| 30–34 g/L | 8 (25.0) | 1 (6.3) | 7 (43.8) | ||||
| 20–29 g/L | 17 (53.1) | 12 (75.0) | 5 (31.3) | ||||
| <20 g/L | 2 (6.3) | 1 (6.3) | 1 (6.3) | ||||
| Preoperative steroid for >6 weeks, n (%)‡ | 8.000† | 0.012 | 5.274 (0.797–34.901) | 0.085 | |||
| Yes | 16 (50.0) | 12 (75.0) | 4 (25.0) | ||||
| No | 16 (50.0) | 4 (25.0) | 12 (75.0) | ||||
*t values; †Chi-square values; ‡Prednisone >20 mg daily or equivalent for >6 weeks prior to surgery. OR: Odds ratio; CI: Confidence interval; SD: Standard deviation.