Logistic regression to estimate the risk of adverse outcomes
| Elapsed time to surgery | <24 hours (reference) | 24–35 hours | 36–47 hours | ≥48 hours | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| OR | OR | 95% CI | p-value | OR | 95% CI | p-value | OR | 95% CI | p-value | |
| Unadjusted | ||||||||||
| Mortality in hospital | 1 | 1.34 | 0.94–1.92 | 0.110 | 1.31 | 0.85–2.02 | 0.218 | 2.29 | 1.56–3.37 | <0.001 |
| LOS in hospital >19 days | 1 | 1.04 | 0.87–1.24 | 0.674 | 1.09 | 0.88–1.35 | 0.442 | 1.62 | 1.30–2.02 | <0.001 |
| Adjusted for age and sex | ||||||||||
| Mortality in hospital | 1 | 1.31 | 0.91–1.88 | 0.144 | 1.38 | 0.89–2.13 | 0.150 | 2.47 | 1.67–3.65 | <0.001 |
| LOS in hospital >19 days | 1 | 1.02 | 0.85–1.22 | 0.841 | 1.12 | 0.90–1.39 | 0.316 | 1.73 | 1.38–2.18 | <0.001 |
| Adjusted for age, sex, day of admission, ASA score and years of data collection | ||||||||||
| Mortality in hospital | 1 | 1.28 | 0.87–1.89 | 0.210 | 1.32 | 0.81–2.15 | 0.265 | 2.31 | 1.47–3.65 | <0.001 |
| LOS in hospital >19 days | 1 | 0.95 | 0.78–1.16 | 0.618 | 1.01 | 0.79–1.29 | 0.954 | 1.34 | 1.02–1.75 | 0.035 |
ASA = American Society of Anesthesiologists; CI = confidence interval; OR = odds ratio.