Table 2.
Univariable and multivariable analysis
| Univariable analysis OR (95% CI) | P value | Multivariable analysis OR (95% CI) | P value | |
|---|---|---|---|---|
| Age (years) | 0.576 | |||
| ≤ 70 | 1.00 (reference) | |||
| > 70 | 1.21 (0.62–2.38) | |||
| Sex | 0.490 | |||
| Male | 1.00 (reference) | |||
| Female | 0.79 (0.40–1.55) | |||
| BMI (kg/m2) | 0.99 (0.91–1.07) | 0.783 | ||
| ASA-classification | 0.083 | |||
| ASA 1–2 | 1.00 (reference) | |||
| ASA 3–5 | 1.92 (0.92–4.02) | |||
| Duration of symptoms prior to presentation (days) | 1.01 (0.99–1.02)a | 0.319 | ||
| Preoperative hemoglobin | 0.027 | 0.005 | ||
| > 7.5 mmol/L | 1.00 (reference) | 1.00 (reference) | ||
| < 7.5 mmol/L | 2.96 (1.14–7.72) | 4.79 (1.60–14.38) | ||
| Preoperative leukocyte count (× 109/L) | 0.99 (0.91–1.07) | 0.736 | ||
| Preoperative C-reactive protein | 0.014 | NS | ||
| ≤ 10 mg/L | 1.00 (reference) | |||
| > 10 mg/L | 2.53 (1.28–5.31) | |||
| Preoperative eGFR | 0.022 | 0.011 | ||
| > 45 mL/min/1.73 m2 | 1.00 (reference) | 1.00 (reference) | ||
| ≤ 45 mL/min/1.73 m2 | 3.62 (1.21–10.84) | 4.64 (1.41–15.10) | ||
| Clinical M-stage | < 0.001 | < 0.001 | ||
| cM0 | 1.00 (reference) | 1.00 (reference) | ||
| cM1 | 5.75 (2.35–14.08) | 6.12 (2.35–15.94) | ||
| Type of stoma | 0.597 | |||
| Ileostoma | 1.00 (reference) | |||
| Colostoma | 1.23 (0.57–2.65) | |||
OR (95% CI), odds ratio (95% confidence interval); BMI, body mass index; eGFR, estimated glomerular filtration rate; NS, not significant; ASA, American Society of Anesthesiologists
The significant p-values in uni- and multivariable analysis are highlighted in italic