TABLE 2.
COX SURVIVAL MODEL: PREDICTORS OF SURVIVAL 1 YEAR AFTER INTENSIVE CARE UNIT ADMISSION (N = 300)
| Variable | HR (95% CI) | P Value |
|---|---|---|
| ICU delirium days, time-varying, d | 1.10 (1.02–1.18) | 0.01 |
| Age, yr | 1.03 (1.01–1.05) | 0.009 |
| Male | 1.33 (0.95–1.86) | 0.10 |
| Nonwhite race | 0.76 (0.47–1.22) | 0.26 |
| Dementia | 1.07 (0.72–1.58) | 0.74 |
| Instrumental activities of daily living (range, 0–6) | 1.30 (1.16–1.45) | <0.001 |
| Admission from emergency room | 0.79 (0.55–1.13) | 0.19 |
| Charlson comorbidity index | 1.21 (1.11–1.31) | <0.001 |
| ICU admitting diagnosis: respiratory disorder | 0.71 (0.48–1.05) | 0.09 |
| APACHE II score minus Glasgow Coma Component | 1.05 (1.02–1.08) | 0.001 |
| Intubation | 1.38 (0.83–2.30) | 0.22 |
| Receipt of opioids or benzodiazepines in the ICU | 1.24 (0.70–2.19) | 0.46 |
| Receipt of haloperidol in the ICU | 0.78 (0.52–1.19) | 0.25 |
| ICU length of stay, time-varying, d |
0.98 (0.93–1.05) |
0.59 |
Definition of abbreviations: APACHE = Acute Physiology and Chronic Health Evaluation; CI = confidence interval; HR = hazard ratio; ICU = intensive care unit.