Table 4.
Predictors of Time to Death for Patients Alive 60 Days After Index Admission (Multivariable)
| Hazard Ratio | 95% CI | P Value | |
|---|---|---|---|
| Age | 1.039 | 1.037 to 1.041 | .0001 |
| Gender (male versus female) | 1.831 | 1.542 to 2.176 | .0001 |
| Race (white versus others) | 1.027 | 0.983 to 1.073 | .2271 |
| Hypertension | 0.936 | 0.906 to 0.967 | .0001 |
| Diabetes | 1.134 | 1.092 to 1.177 | .0001 |
| Congestive heart failure | 1.398 | 1.346 to 1.452 | .0001 |
| Hyperlipidemia | 0.697 | 0.658 to 0.738 | .0001 |
| Atrial fibrillation | 1.062 | 1.010 to 1.117 | .0184 |
| COPD | 1.224 | 1.177 to 1.272 | .0001 |
| Stroke | 0.980 | 0.847 to 1.135 | .7892 |
| Discharge diagnoses, n | 1.088 | 1.080 to 1.096 | .0001 |
| Charlson Index | 1.415 | 1.357 to 1.475 | .0001 |
| Cardiac catheterization at index | 0.856 | 0.821 to 0.893 | .0001 |
| CABG or PTCA at index | 0.641 | 0.602 to 0.681 | .0001 |
| CABG or PTCA within 60 days | 1.029 | 0.937 to 1.130 | .5495 |
| Clinic visits within 60 days* | |||
| Both versus none | 0.737 | 0.668 to 0.813 | .0001 |
| Cardiology versus none | 0.747 | 0.704 to 0.792 | .0001 |
| General Medicine versus none | 0.941 | 0.901 to 0.984 | .0073 |
| Region | |||
| MW versus S | 0.939 | 0.902 to 0.978 | .0023 |
| NE versus S | 0.875 | 0.834 to 0.918 | .0001 |
| W versus S | 0.856 | 0.818 to 0.895 | .0001 |
*
Interaction between Cardiology and General Medicine not significant; P = .4389.
COPD, chronic obstructive pulmonary disease; CABG, coronary artery bypass grafting; PTCA, percutaneous transluminal coronary angioplasty; MW, Midwest; NE, Northeast; S, South; W, West.