| Univariate analysis |  | Multivariate analysis |  | ||
---|---|---|---|---|---|---|
 | HR | 95% CI | P value | HR | 95% CI | P value |
BMI at admission | Reference | Â | Â | Reference | Â | Â |
Age | 1.052 | 0.921–1.232 | 0.658 |  |  |  |
SBR | 1.248 | 0.998–1.367 | 0.543 |  |  |  |
PC | 1.154 | 0.945–1.269 | 0.387 |  |  |  |
RSR | 1.335 | 1.116–1.587 | 0.378 |  |  |  |
RSR + PC | 1.268 | 1.025–1.358 | 0.584 |  |  |  |
Days to flatus | 1.898 | 1.145–2.259 | 0.112 |  |  |  |
Serum albumin (g/L) | 5.287 | 2.458–7.025 | < 0.001 | 6.954 | 3.876–8.023 | < 0.001 |
Use of TPN | 3.848 | 3.045–4.147 | 0.025 | 4.652 | 3.249–5.248 | 0.031 |
Number of complications | 2.987 | 2.154–3.325 | 0.032 | 3.256 | 2.512–4.689 | 0.035 |