Table 6.
Univariate and multivariate regression analysis for risk factors of major complication
| Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p-value | OR | 95% CI | p-value | |
| Age > 65 years | 6.444 | 1.274–32.593 | 0.020 | 4.274 | 0.242–75.356 | 0.321 |
| Gender (male) | 0.420 | 0.122–1.449 | 0.170 | |||
| Diagnosis | ||||||
| Ulcerative colitis | 1 | |||||
| Crohn | 3.167 | 0.648–15.474 | 0.154 | |||
| Indeterminate colitis | 3.167 | 0.215–46.726 | 0.401 | |||
| BMI category | ||||||
| Underweight | 1 | 0.631 | ||||
| Normal | 0.435 | 0.063–3.021 | 0.400 | |||
| Overweight | 0.375 | 0.035–3.999 | 0.417 | |||
| Obese | 0.214 | 0.021–2.187 | 0.194 | |||
| ASA physical score ≥ 3 | 2.318 | 0.660–8.138 | 0.189 | |||
| Charlson Comorbidity index ≥ 3 | 4.167 | 1.078–16.103 | 0.039 | 1.663 | 0.141–19.573 | 0.686 |
| Smoking status | ||||||
| Non-smoker | 1 | 0.228 | ||||
| Ex-smoker | 0.684 | 0.131–3.578 | 0.653 | |||
| Smoker | 2.778 | 0.734–10.513 | 0.132 | |||
| NLR category > 5 | 4.320 | 1.249–14.498 | 0.021 | 4.489 | 1.222–16.494 | 0.024 |
| Albumin > 35 g/L | 0.525 | 0.169–1.629 | 0.265 | |||
| Preoperative steroid use | 1.510 | 0.488–4.676 | 0.474 | |||
| Preoperative immunosuppression | 0.502 | 0.156–1.617 | 0.248 | |||
| Emergency surgery | 2.382 | 0.690–8.226 | 0.170 | |||
| Sarcopenia | 0.925 | 0.297–2.878 | 0.893 | |||
| Myosteatosis | 1.719 | 0.557–5.304 | 0.346 | |||
ASA American Society of Anesthesiologists, BMI Body Mass Index, CI confidence interval, NLR neutrophil-lymphocyte ratio, OR odds ratio