Table 2. Odds ratio for increased length of hospital stay (>15 days) associated with clinical variables in patients undergoing colorectal resection (n=196).
| Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|
|
|
||||||
| Odds Ratio |
95% C.I | P * | Odds Ratio |
95% C.I | P ** | |
| Age | 1.031 | 0.996 – 1.067 | 0.087 | |||
| Sex | 0.804 | 0.409 – 1.582 | 0.528 | |||
| Operation performed | 1.035 | 0.786 – 1.364 | 0.806 | |||
| Stage of disease | 1.349 | 0.939 – 1.940 | 0.106 | |||
| Pre-operative Haemoglobin | 1.057 | 0.905 – 1.235 | 0.482 | |||
| Pre-operative White cell count | 1.049 | 0.979 – 1.123 | 0.174 | |||
| Pre-operative serum albumin | 0.949 | 0.906 – 0.995 | 0.031 | |||
| >34.5 g/l | 0.472 | 0.243 – 0.918 | 0.027 | |||
| Pre-operative neutrophil:lymphocyte ratio (NLR) | 1.072 | 1.003 – 1.147 | 0.041 | |||
| >4.3 | 1.664 | 0.831 – 3.332 | 0.151 | |||
| Emergency procedure | 1.667 | 0.694 – 4.004 | 0.253 | |||
*
Simple logistic regression analysis
**
Multivariate logistic regression analysis using the backward conditional model