Table 1.
Sociodemographic and clinical characteristics (n = 188).
| Characteristics | Intervention group n (%) | Control group n (%) | P |
|---|---|---|---|
| Patients | 91 (48.4) | 97 (51.5) | |
| Age, years* | 62.9 ± 13.5 | 62.9 ± 13 | 0.964 |
| Caucasian | 62 (68.1) | 64 (66.0) | 0.922 |
| Sex, male | 54 (59.3) | 61 (62.9) | 0.618 |
| Marital status, married | 58 (63.7) | 60 (61.9) | 0.530 |
| Social support, family | 82 (90.1) | 82 (85.4) | 0.330 |
| Schooling, years* | 6.81 ± 4.33 | 6.16 ± 4.28 | 0.317 |
| Income, total value in US dollars† | 600 (450–900) | 650 (387–900) | 0.698 |
| Duration of disease, years† | 5 (1.75–12.7) | 6 (3.5–11.5) | 0.216 |
| Etiology, ischemic | 25 (35.4) | 27 (32.9) | 0.166 |
| NYHA functional class‡ | 0.932 | ||
| I | 6 (6.9) | 9 (9.4) | |
| II | 35 (40.2) | 36 (37.5) | |
| III | 40 (46) | 44 (45.8) | |
| IV | 6 (6.9) | 7 (7.3) | |
| Ejection fraction* | 29.9 ± 10.8 | 31.4 ± 13.9 | 0.421 |
| Comorbidities | |||
| Systemic hypertension | 56 (61.5) | 70 (72.2) | 0.121 |
| Diabetes mellitus | 35 (38.5) | 34 (35.1) | 0.628 |
| Acute coronary syndrome | 25 (27.5) | 35 (36.1) | 0.206 |
Categorical variables are expressed as n (%), and continuous variables are expressed as *mean ± standard deviation or †median and 25th–75th percentiles; ‡New York Heart Association functional class; information was missing for 4 cases in the intervention group and 1 case in the control group.