Table 2.
Characteristics of all 16,539 Older Adults Surviving 45 days After a Heart Failure Admission Between January 1, 1998, and December 31, 1999 by the Initial ACE Inhibitor Dose Dispensed
| Initial Dose Dispensed | |||||
|---|---|---|---|---|---|
| Total (N= 16,539) | Nonuser (N= 5,746) | Low (N= 3,935) | Medium (N=4,316) | High (N= 2,542) | |
| Mean age, y ± SD | 79.13 ± 7.39 | 79.30 ± 7.44 | 80.24 ± 7.53 | 78.96 ± 7.23 | 77.33 ± 6.99 |
| Charlson Index, mean ± SD | 0.94 ± 1.15 | 1.02 ± 1.23 | 0.84 ± 1.11 | 0.92 ± 1.12 | 0.94 ± 1.06 |
| 0–1, n(%) | 12,686 (76.7) | 4,232 (73.7) | 3,136 (79.7) | 3,350 (77.6) | 1,968 (77.4) |
| 2, n(%) | 2,377 (14.4) | 874 (15.2) | 497 (12.6) | 627 (14.5) | 379 (14.9) |
| >2, n(%) | 1,476 (8.9) | 640 (11.1) | 302 (7.7) | 339 (7.9) | 195 (7.7) |
| Female gender, n(%) | 8,854 (53.5) | 3,093 (53.8) | 2,216 (56.3) | 2,237 (51.8) | 1,308 (51.5) |
| Potential Contraindications to ACE | |||||
| Inhibitor Therapy, n(%) | |||||
| History of hypotension | 353 (2.1) | 131 (2.3) | 100 (2.5) | 82 (1.9) | 40 (1.6) |
| History of hyperkalemia | 260 (1.6) | 117 (2.0) | 56 (1.4) | 60 (1.4) | 27 (1.1) |
| History of renal impairment | 3,160 (19.1) | 1,423 (24.8) | 672 (17.1) | 663 (15.4) | 402 (15.8) |
| Any of the above | 3,502 (21.2) | 1,537 (26.7) | 768 (19.5) | 755 (17.5) | 442 (17.4) |
| Use of Additional Heart Failure Therapies, n(%) | |||||
| Beta-blockers | 3,282 (19.8) | 1,033 (18.0) | 689 (17.5) | 908 (21.0) | 652 (25.6) |
| Digoxin | 6,682 (40.4) | 1,845 (32.1) | 1,705 (43.3) | 1,944 (45.0) | 1,188 (46.7) |
| Diuretic therapy | 13,900 (84.0) | 4,267 (74.3) | 3,489 (88.7) | 3,850 (89.2) | 2,294 (90.2) |
| Isosorbide dinitrate with hydralazine | 36 (0.2) | 30 (0.5) | 3 (0.1) | 0 (0.0) | 3 (0.1) |
| Crude Outcomes, n(%) | |||||
| Death | 4,186 (25.3) | 1,606 (27.9) | 995 (25.3) | 1,061 (24.6) | 524 (20.6) |
| Death or heart failure rehospitalization | 6,179 (37.4) | 2,267 (39.5) | 1,424 (36.2) | 1,583 (36.7) | 905 (35.6) |
| Death or all-cause hospitalization | 10,092 (61.0) | 3,675 (64.0) | 2,343 (59.5) | 2,585 (59.9) | 1,489 (58.6) |
ACE, angiotensin-converting enzyme; SD, standard deviation.