Table 2.
Predictors of Late Vasopressor Administration
| Variable | Logistic Regression |
Poisson Regression |
||||||
|---|---|---|---|---|---|---|---|---|
| Unadjusted OR | P Value | Adjusted OR | 95% CI | P Value | IRR | 95% CI | P Value | |
| Age (per decade) | 1.09 | < .01 | 0.98 | 0.94-1.01 | .19 | 0.98 | 0.95-1.01 | .17 |
| Female (vs male) | 0.85 | .10 | 1.03 | 0.84-1.26 | .80 | 1.03 | 0.84-1.26 | .80 |
| Race (vs white) | ||||||||
| Black | 0.84 | < .01 | 0.87 | 0.79-0.95 | < .01 | 0.87 | 0.79-0.95 | < .01 |
| Other | 1.27 | < .01 | 1.18 | 1.04-1.33 | .01 | 1.18 | 1.04-1.33 | .01 |
| ICU type (vs medical) | ||||||||
| Surgical | 0.91 | < .01 | 1.14 | 1.03-1.25 | .01 | 1.13 | 1.02-1.26 | .02 |
| Others | 0.77 | < .01 | 0.74 | 0.63-0.87 | < .01 | 0.74 | 0.63-0.87 | < .01 |
| Elixhauser (per van Walraven point) | 1.03 | < .01 | 1.02 | 1.02-1.03 | < .01 | 1.02 | 1.02-1.03 | < .01 |
| Va risk score (per percent) | 1.02 | < .01 | 1.01 | 1.01-1.02 | < .01 | 1.01 | 1.01-1.02 | < .01 |
| Operations | 2.54 | < .01 | 2.36 | 2.19-2.54 | < .01 | 2.36 | 2.18-2.55 | < .01 |
| Hospital LOS prior to ICU admission (per day) | 1.03 | < .01 | 1.03 | 1.02-1.04 | < .01 | 1.03 | 1.01-1.04 | < .01 |
Association of patient-level characteristics comparing patients who received late vasopressors with those who did not receive late vasopressors. IRR = incidence rate ratio; VA = Veterans Administration. See Table 1 legend for expansion of other abbreviation.