Table 3.
Survival by baseline executive dysfunction
| Variable | N | Events, n (%) | Median Days | Cox Multivariate Hazard Ratio (95% CI) | Cox Multivariate Likelihood Ratio P Value (n = 1,205) |
|---|---|---|---|---|---|
| Trail making B time, s | 0.7235 | ||||
| Baseline trail B > 102 | 463 | 199 (43) | 1,549 | 1.03 (0.86–1.25) | |
| Baseline trail B ≤ 102 | 755 | 295 (39) | 1,562 | — | |
| Medical | 0.1987 | ||||
| No | 608 | 233 (38) | 1,640 | — | |
| Yes | 610 | 261 (43) | 1,482 | 1.13 (0.94–1.35) | |
| Married | 0.5320 | ||||
| No | 429 | 173 (40) | 1,448 | — | |
| Yes | 789 | 321 (41) | 1,600 | 0.94 (0.77–1.15) | |
| High school education or less | 0.9704 | ||||
| No | 586 | 239 (41) | 1,538 | — | |
| Yes | 632 | 255 (40) | 1,594 | 1.00 (0.82–1.21) | |
| Income < $30,000 | 0.5314 | ||||
| No | 563 | 222 (39) | 1,643 | — | |
| Yes | 643 | 268 (42) | 1,489 | 1.07 (0.87–1.30) | |
| Age | 1,218 | 494 (41) | 1,562 | 1.015 (0.998–1.031) | 0.0797 |
| Beck Depression Inventory: baseline | 1,218 | 494 (41) | 1,562 | 1.019 (0.994–1.044) | 0.1405 |
| PaO2: baseline | 1,217 | 494 (41) | 1,562 | 0.993 (0.983–1.002) | 0.1402 |
| PaCO2: baseline | 1,217 | 494 (41) | 1,562 | 1.029 (1.012–1.046) | 0.0006 |
| Years smoked times cigarettes smoked per day: baseline | 1,218 | 494 (41) | 1,562 | 1.0000 (0.9999–1.0002) | 0.6707 |
Definition of abbreviation: CI = confidence interval