Table 4.
Association of patient and hospital characteristics with 30-day rehospitalization compared with no 30-day rehospitalization (all eligible hospitalizations).
| Characteristic | Cause-Specific Hazard Ratio (95% Confidence Interval) |
|---|---|
| Demographic | |
| Age, per decade | 1.00 (0.98 to 1.02) |
| Female sex | 1.00 (0.95 to 1.05) |
| Healthcare utilization | |
| Prior hospital admissions within the past 6 mo, per hospital admission | 1.13 (1.12 to 1.15) |
| Number of emergency department visits within the past 6 mo, per emergency room visit | 1.03 (1.02 to 1.04) |
| Charlson index, per unit | 1.06 (1.04 to 1.07) |
| Dialysis characteristics | |
| Time on dialysis, per year | 1.00 (1.00 to 1.01) |
| Hospital | |
| Teaching (versus community) hospital | 1.04 (0.98 to 1.09) |
| Index admission | |
| Length of stay, per day | 1.00 (1.00 to 1.00) |
| Admission to same hospital as dialysis unit | 1.03 (0.98 to 1.08) |
| Mechanical ventilation | 1.08 (0.96 to 1.21) |
| Site of care after discharge | |
| Community | 1.00 (referent) |
| Rehabilitation facility | 0.78 (0.68 to 0.91) |
| Nursing home | 1.04 (0.94 to 1.14) |
| Complex continuing care | 0.62 (0.53 to 0.73) |