Table 1.
Summary Statistics of Sample by Type of HF
| Variable | HFpEF (n=13 785) | HFrEF (n=15 205) |
|---|---|---|
| Age, y, mean (SD) | 78.6 (11.5) | 76.5 (12.1) |
| Race | ||
| Black | 1827 (13.3) | 2184 (14.4) |
| Other | 800 (5.8) | 852 (5.6) |
| White | 11 158 (80.9) | 12 169 (80.0) |
| Women | 9853 (71.5) | 7869 (51.8) |
| Medicare Part D subsidy | 6869 (49.8) | 7291 (48.0) |
| Dual eligibility for Medicare and Medicaid | 5960 (43.2) | 6146 (40.4) |
| US Census region | ||
| Northeast | 3144 (22.8) | 3074 (20.2) |
| Midwest | 3545 (25.7) | 3909 (25.7) |
| South | 5463 (39.6) | 6257 (41.2) |
| West | 1633 (11.8) | 1965 (12.9) |
| Coronary heart disease | 7726 (56.0) | 10 932 (71.9) |
| Chronic kidney disease | 8333 (60.4) | 9244 (60.8) |
| COPD | 7180 (52.1) | 7338 (48.3) |
| Diabetes mellitus | 6822 (49.5) | 7439 (48.9) |
| Atrial fibrillation | 6676 (48.4) | 7193 (47.3) |
| Hypertension | 12 081 (87.6) | 12 337 (81.1) |
| Dementia | 2487 (18.0) | 2375 (15.6) |
| Liver disease | 713 (5.2) | 710 (4.7) |
| Cerebrovascular disease | 2531 (18.4) | 2654 (17.5) |
| Cancer | 3013 (21.9) | 3059 (20.1) |
| Charlson comorbidity index | ||
| 0 | 5328 (38.7) | 5811 (38.2) |
| 1–3 | 1588 (11.5) | 1865 (12.3) |
| 4–5 | 2139 (15.5) | 2314 (15.2) |
| 6–7 | 1763 (12.8) | 2032 (13.4) |
| 8–9 | 1528 (11.1) | 1717 (11.3) |
| ≥10 | 1439 (10.4) | 1466 (9.6) |
| Length of stay, mean (SD) | 6.3 (4.3) | 6.3 (4.9) |
| ICU stay | 2863 (20.8) | 3530 (23.2) |
| Nursing home residence | 2438 (17.7) | 2112 (13.9) |
| Skilled nursing facility stay | 2916 (21.2) | 2481 (16.3) |
Data are shown as n (%) except as noted. COPD indicates chronic obstructive pulmonary disease; HF, heart failure; HFpEF, heart failure with preserved ejection fraction; HFrEF, heart failure with reduced ejection fraction; ICU, intensive care unit.