Table 3.
Association of patient and hospital characteristics with 30-day rehospitalization compared with no 30-day rehospitalization (randomly chosen, single hospitalization)
| Characteristic | Cause-Specific Hazard Ratio (95% Confidence Interval) |
|---|---|
| Demographic | |
| Age, per decade | 1.07 (1.04 to 1.11) |
| Female sex | 1.01 (0.92 to 1.11) |
| Healthcare utilization | |
| Prior hospital admissions within the past 6 mo, per hospital admission | 1.13 (1.09 to 1.17) |
| 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 | 1.08 (1.06 to 1.11) |
| Dialysis characteristics | |
| Time on dialysis, per year | 1.01 (0.99 to 1.02) |
| Hospital | |
| Teaching (versus community) hospital | 1.05 (0.96 to 1.15) |
| Index admission | |
| Length of stay, per day | 1.00 (1.00 to 1.00) |
| Admission to same hospital as dialysis unit | 0.97 (0.88 to 1.06) |
| Mechanical ventilation | 1.33 (1.09 to 1.61) |
| Site of care after discharge | |
| Community | 1.00 (referent) |
| Rehabilitation facility | 0.82 (0.64 to 1.05) |
| Nursing home | 0.94 (0.78 to 1.12) |
| Complex continuing care | 0.56 (0.44 to 0.72) |