Table 3.
Independent predictors of cardiac event-free survival in patients with heart failure
N = 210
| Characteristics | Adjusted HR |
95% CI | p | |
|---|---|---|---|---|
| Risk factors | ||||
| Age (year) | 0.98 | 0.95 - 1.01 | .163 | |
| Gender | Male | 1.00 | ||
| Female | 0.79 | 0.39 - 1.59 | .504 | |
| Body mass index (kg/m2) | 0.97 | 0.93 - 1.02 | .277 | |
| NYHA functional class | I | 1.00 | ||
| II | 0.96 | 0.32 - 2.86 | .946 | |
| III | 0.66 | 0.22 - 2.02 | .468 | |
| IV | 0.62 | 0.16 - 2.36 | .481 | |
| Heart failure etiology | Non-IHD | 1.00 | ||
| IHD | 2.02 | 0.98 - 4.16 | .058 | |
| Left ventricular ejection fraction (%) | 0.99 | 0.97 - 1.02 | .505 | |
| Total comorbidity | 1.03 | 0.87 - 1.22 | .766 | |
|
| ||||
| Independent predictors | ||||
| NT-pro BNP | ≤ 581 pg/ml | 1.00 | ||
| > 581 pg/ml | 2.02 | 1.08 - 3.78 | .027 | |
| Depressive symptoms (total PHQ-9 score) |
No depressive symptoms (0 - 9) | 1.00 | ||
| Depressive symptoms (10 - 27) | 2.70 | 1.35 - 5.39 | .005 | |
CI; confidence interval, IHD; ischemic heart disease, HR; hazard ratio, NYHA; New York Heart Association, NT-pro BNP; N-terminal pro B-type natriuretic peptide, PHQ-9; the Patient Health Questionnaire 9