Table 3.
Risk factor | OR description | Univariable | Multivariable | P value |
---|---|---|---|---|
ASA status | Per 1 increase in score | 2.8 (1.7–4.7) | 2.7 (1.6–4.7) | <0.001 |
Emergency | Yes vs No | 3.5 (1.6–7.9) | 3.0 (1.4–7.0) | 0.006 |
Data are odds ratio (95% confidence interval) unless otherwise indicated. Because of the exclusion of cases with missing data, the above analyses represent 454 cases with 29 deaths
ASA = American Society of Anesthesiologists