TABLE 2.
Final Pneumonia-Specific EHR Risk-Prediction Models for Readmissions
| Odds Ratio (95% CI) |
||
|---|---|---|
| Univariate | Multivariatea | |
| First-day pneumonia-specific model | ||
| Single | 0.58 (0.39-0.88) | 0.61 (0.40-0.95) |
| Medicare | 1.91 (1.41-2.59) | 1.72 (1.23-2.41) |
| Medicaid | 1.35 (0.76-2.40) | 2.16 (1.14-4.11) |
| Median income (<$30,000) per ZIP code | 1.71 (1.08-2.71) | 1.85 (1.14-3.02) |
| Prior hospitalizations in past year | 1.35 (1.19-1.53) | 1.18 (1.03-1.36) |
| Platelets >350 × 103/μL | 2.18 (1.49-3.18) | 2.18 (1.46-3.24) |
| PSI, per 10 points | 1.15 (1.06-1.17) | 1.11 (1.06-1.17) |
| Full-stay pneumonia-specific model | ||
| Median income (<$30,000) per ZIP code | 1.71 (1.08-2.71) | 1.92 (1.18-3.12) |
| Platelets >350 × 103/μL | 2.18 (1.49-3.18) | 2.35 (1.57-3.52) |
| Prior hospitalizations in past year | 1.35 (1.19-1.53) | 1.26 (1.10-1.44) |
| Vital sign instabilities on discharge, ≥1 | 1.60 (1.16-2.20) | 1.47 (1.05-2.07) |
| Updated PSI, per 10 points | 1.23 (1.17-1.30) | 1.22 (1.15-1.29) |
| Disposition status at hospital discharge | ||
| Home | [Reference] | [Reference] |
| Home with home health | 2.37 (1.51-3.73) | 1.61 (0.99-2.62) |
| Post-acute care facility | 2.12 (1.50-3.01) | 1.39 (0.94-2.03) |
| Hospice | 0.79 (0.24-2.61) | 0.23 (0.07-0.83) |
a
Adjusted for all factors listed in the table for each respective model
NOTE: Abbreviations: CI, confidence interval; EHR, electronic health record; PSI, pneumonia severity index.