Variable | Mortality odds ratio (95% CI), unadjusteda | p value | Mortality odds ratio (95% CI), adjustedb | p value |
---|---|---|---|---|
Delirium subtypes (predictor of interest)c | ||||
 No delirium (reference) | ||||
 Hypoactive subtype | 1.36 (0.91–2.05) | 0.139 | 1.34 (0.71–2.55) | 0.37 |
 Mixed subtype | 2.51 (1.66–3.78) | 0.001 | 3.09 (1.79–5.33) | 0.001 |
Covariates | ||||
 Age | 1.04 (1.03–1.05) | 0.001 | 1.03 (1.02–1.04) | 0.001 |
 APACHE IVd | 1.05 (1.04–1.05) | 0.001 | 1.05 (1.05–1.06) | 0.001 |
Elective surgery (reference) | ||||
 Medical | 5.84 (3.61–9.45) | 0.001 | 2.55 (1.46–4.46) | 0.001 |
 Emergency surgery | 4.06 (2.28–7.21) | 0.001 | 1.91 (1.00–3.67) | 0.05 |
No delirium*APACHE IV (reference)d | ||||
 Hypoactive subtype*APACHE IV | 0.97 (0.95–0.99) | 0.001 | 0.97 (0.96–0.99) | 0.001 |
 Mixed subtype*APACHE IV | 0.96 (0.94–0.97) | 0.001 | 0.96 (0.94–0.97) | 0.001 |