Table 2. Risk of All-Cause Readmissiona.
| HR (95% CI) | P Value | |
|---|---|---|
| Model 1 | ||
| Unadjusted | 0.62 (0.36-1.06) | .078 |
| Model 2 | ||
| + Demographics | 0.62 (0.36-1.06) | .078 |
| Model 3 | ||
| + Demographics | ||
| + Comorbidities | 0.65 (0.38-1.12) | .121 |
| Model 4 | ||
| + Demographics | ||
| + Comorbidities | ||
| + Discharge criteria | 0.66 (0.38-1.13) | .127 |
aHRs indicate risk of all-cause readmission for the cardiac rehabilitation (CR) group; the no-CR group is used as a referent category. Demographics: age, sex, and race; comorbidities: depression, anxiety, dyslipidemia, hypertension, obesity, smoking history, and type 2 diabetes; qualifying discharge criteria: acute myocardial infarction, percutaneous coronary intervention, or coronary artery bypass graft surgery.