Table 2.
Multivariate Logistic Regression Identifying Risk Factors of In-Hospital Mortality in 769 Patients With SI-ALI at 68 Centers
| Variable | OR | 95% CI | P Value |
|---|---|---|---|
| Age, y (reference: 18-40) | |||
| 41-50 | 1.34 | 0.66-2.74 | .414 |
| 51-60 | 1.31 | 0.65-2.62 | .453 |
| 61-70 | 5.10 | 2.53-10.25 | < .001 |
| >70 | 6.61 | 3.22-13.59 | < .001 |
| Sex (reference: female) | 0.88 | 0.56-1.39 | .585 |
| Patient region (reference: West) | |||
| Midwest | 0.75 | 0.40-1.43 | .384 |
| Northeast | 1.42 | 0.66-3.04 | .373 |
| South | 1.05 | 0.54-2.06 | .882 |
| 3M APR-DRG Admission Risk of Mortality Scale (reference: extreme) | |||
| Minor or moderate | 0.15 | 0.07-0.34 | < .001 |
| Major | 0.29 | 0.18-0.47 | < .001 |
| Charlson Comorbidity Index (reference: 0) | |||
| 1-2 | 0.85 | 0.52-1.40 | .529 |
| >2 | 0.74 | 0.36-1.54 | .421 |
| TBSA category (reference: 0%) | |||
| 1%-19% | 1.15 | 0.58-2.29 | .690 |
| ≥20% | 8.73 | 4.55-16.75 | < .001 |
| Initial vasopressor use (reference: none)a | 5.00 | 3.16-7.91 | < .001 |
| Initial empiric systemic antibacterial therapy (reference: none)a | 0.93 | 0.58-1.49 | .773 |
| Hospital bed capacity (reference: ≥ 500 beds) | |||
| < 500 beds | 2.26 | 1.23-4.15 | .008 |
| Burn center status (reference: ABA burn center) | |||
| Self-reported burn center | 0.83 | 0.50-1.38 | .479 |
| Non-burn center | 0.84 | 0.36-1.95 | .684 |
ABA = American Burn Association. See the Table 1 legend for expansion of abbreviations.
a
Within 2 days of hospitalization.