Table 1. Baseline Characteristics of Patients With At Least 1 Adjudicated Hospitalization.
| Characteristic | No. (%) (N = 1973) |
|---|---|
| Age, mean (SD), y | 66.4 (13.2) |
| Female | 541 (27.4) |
| Male | 1432 (72.6) |
| Randomization period | |
| 2016-2017 | 285 (14.4) |
| 2017-2018 | 1026 (52) |
| 2018-2019 | 662 (33.6) |
| Region and site | |
| Canada | 340 (17.2) |
| US | 1633 (82.8) |
| Veterans Administration | 542 (27.5) |
| Non–Veterans Administration | 1091 (55.3) |
| Racea | |
| Asian | 30 (1.5) |
| Black | 370 (18.8) |
| First Nation/American Indian | 16 (0.8) |
| White | 1498 (75.9) |
| Otherb | 59 (3) |
| Ethnicitya | |
| Hispanic/Latino | 136 (6.9) |
| Non-Hispanic/Latino | 1822 (92.3) |
| Otherc | 15 (0.8) |
| Ejection fraction | 40.5 ± 16.7 |
| New York Heart Association functional class | |
| I | 196 (13.2) |
| II | 698 (46.9) |
| III | 531 (35.7) |
| IV | 63 (4.2) |
| Body mass indexd | 31.7 ± 8.2 |
| Qualifying event | |
| Heart failure | 1549 (78.5) |
| Myocardial infarction | 424 (21.5) |
| Current or past left ventricular ejection fraction <40% | 963 (48.8) |
| Diabetes | 869 (44) |
| Prior heart failure hospitalization | 486 (24.6) |
| History of myocardial infarction | 309 (15.7) |
| History of atrial fibrillation | 846 (42.9) |
| History of chronic obstructive pulmonary disease | 468 (23.7) |
a
Race and ethnicity were assessed per National Institutes of Health guidelines and were self-reported based on fixed categories.
b
Other race includes Native Hawaiian, Pacific Islander, more than 1 race, participant did not want to report, participant did not know, and race not available or missing.
c
Other ethnicity includes participants who did not want to report, who did not know, or for whom ethnicity not available or missing.
d
Calculated as weight in kilograms divided by height in meters squared.