Table 3.
Multivariable predictors of 30-day in-hospital mortality in each scoring system
| Adjusted odds ratio (95% CI) | ||||
|---|---|---|---|---|
| A-DROP amodel | Model 0 | Model 1 | Model 2 | |
| Number of predictors | 5 | 5 | 5 | 8 |
| Age ≥65 y | 3.35 (2.15-2.97) | |||
| Age ≥70 y (male) or Age ≥ 75 y (female) | 2.52 (2.15-2.97) | |||
| Age ≥80 y | 2.00 (1.79-2.23) | 2.43 (2.17-2.73) | ||
| BUN ≥7.5 mmol/L or Dehydration | 2.59 (2.32-2.88) | 2.61 (2.32-2.88) | 2.59 (2.32-2.88) | 2.15 (1.93-2.41) |
| SpO2 ≤ 90% | 4.29 (3.84-4.79) | 4.28 (3.83-4.79) | 4.36 (3.90-4.87) | 3.47 (3.09-3.89) |
| Orientation disturbance | 2.70 (2.42-3.00) | 2.77 (2.49-3.08) | 2.62 (2.35-2.91) | 2.46 (2.20-2.75) |
| Systolic BP ≤90 mmHg | 4.12 (3.62-4.69) | 4.08 (3.58-4.64) | 4.18 (3.67-4.76) | 3.23 (2.82-3.70) |
| CRP 200 mg/L or extent of consolidation on chest X-ray ≥2/3 of one lung | 2.41 (2.16-2.69) | |||
| Mechanical ventilator or Vasopressor | 4.18 (3.56-4.92) | |||
| Cancer | 2.07 (1.81-2.38) | |||
| c-statistic | 0.853 (0.845-0.861) | 0.852 (0.844-0.860) | 0.854 (0.846-0.862) | 0.874 (0.867‒0.882) |
Abbreviations: CI, confidence interval; BUN, blood urea nitrogen; SpO2, pulse oximetry saturation; BP, blood pressure; CRP, C-reactive protein.
aA-DROP: A, Age ≥70 y (male), ≥75 y (female); D, BUN ≥7.5 mmol/L; R, SPO2 < 90%; O, Orientation disturbance; P, Systolic BP <90 mmHg.