Table 2:
Demographics and baseline characteristics
| Parameter | Overall cohort | Usual care | DASH/SRD | p value |
|---|---|---|---|---|
| Age (years) | 71±8 | 70±8 | 71±8 | 0.57 |
| Gender (% female) | 30% | 33% | 27% | 0.59 |
| BMI (kg/m2) | 32.6±7.7 | 34.0±7.9 | 31.3±7.1 | 0.15 |
| Race | ||||
| -White | 36 (55%) | 18 (55%) | 18 (55%) | 1.0 |
| -Black | 20 (30%) | 10 (30%) | 10 (30%) | |
| -Other | 10 (15%) | 5 (15%) | 5 (15%) | |
| Ethnicity | ||||
| - Hispanic | 24 (36%) | 11 (33%) | 13 (39%) | 0.61 |
| - Non-Hispanic | 38 (64%) | 22 (67%) | 20 (61%) | |
| Cardiovascular parameters | ||||
| -Systolic blood pressure (mmHg) | 124±20 | 121±20 | 126±21 | 0.37 |
| -Diastolic blood pressure (mmHg) | 72±11 | 71±11 | 72±11 | 0.84 |
| -Heart rate (beats/minute) | 76±17 | 80±19 | 74±14 | 0.16 |
| -Left ventricular ejection fraction | 39±18 | 39±18 | 39±18 | 0.91 |
| Comorbidities | ||||
| -Hypertension | 65 (98%) | 33 (100%) | 32 (97%) | 1.0 |
| -Diabetes mellitus | 37 (56%) | 20 (61%) | 17 (52%) | 0.46 |
| -Ischemic etiology of heart failure | 30 (45%) | 15 (45%) | 15 (45%) | 1.0 |
| Laboratory parameters | ||||
| -eGFR (ml/min/1.73 m2) | 54±17 | 55±18 | 53±17 | 0.66 |
| -Hemoglobin (g/dl) | 12.4±1.7 | 12.4±1.7 | 12.4±1.7 | 0.94 |
| -BNP (pg/ml)* | 188 (82, 580) | 190 (104, 604) | 176 (68, 501) | 0.43 |
| -hs-Troponin I (pg/ml) * | 148 (86, 253) | 138 (73, 275) | 148 (87, 230) | 0.80 |
Abbreviations: BNP, B-type natriuretic peptide; eGFR, estimated glomerular filtration rate; hs-Troponin I, high-sensitivity troponin I
Values expressed as percentage, mean ± standard deviation, or median (interquartile range) for log-transformed variables
*
Statistical tests were performed on the log scale for BNP and hs-Tropopnin I due to skewness