Table II.
Multivariable logistic regression analysis for prediction of 30-day mortality in patients with acute decompensated heart failure (BNP, creatinine, serum natrium and chloride are considered as continuous variables).
| Coefficient | Standard error | Odds ratio | 95% CI | p | |
|---|---|---|---|---|---|
| Final model | |||||
| BNP | 0.511 | 0.088 | 1.666 | 1.403–1.979 | <0.001 |
| Creatinine | 0.331 | 0.071 | 1.392 | 1.212–1.599 | <0.001 |
| Hypernatremia | 0.323 | 0.110 | 1.381 | 1.112–1.715 | 0.003 |
| Hypochloremia | 0.509 | 0.111 | 1.665 | 1.340–2.068 | <0.001 |
| Final model + RDW | |||||
| BNP | 0.460 | 0.088 | 1.584 | 1.333–1.882 | <0.001 |
| Creatinine | 0.278 | 0.072 | 1.321 | 1.148–1.520 | <0.001 |
| Hypernatremia | 0.306 | 0.110 | 1.358 | 1.094–1.686 | 0.006 |
| Hypochloremia | 0.496 | 0.111 | 1.642 | 1.322–2.039 | <0.001 |
| RDW | 0.379 | 0.074 | 1.461 | 1.263–1.690 | <0.001 |
BNP, B-type natriuretic peptide; RDW, red blood cell distribution width.