Characteristic | Derivation cohort (n = 246) | Validation Cohort (n = 104) | p-value |
---|---|---|---|
Age (years) [mean ± SD] | 67.7 ± 12.3 | 69.0 ± 12.9 | 0.36 |
Men [n (%)] | 153 (62.2) | 63 (60.6) | 0.87 |
NYHA III/IV at Discharge [n (%)] | 203 (82.5) | 89 (85.6) | 0.78 |
Infection [n (%)] | 61 (24.7) | 24 (23.1) | 0.84 |
Ischemia [n (%)] | 66 (26.8) | 36 (34.6) | 0.18 |
Cardiac overload [n (%)] | 43 (17.5) | 11 (10.6) | 0.14 |
Hypertension [n (%)] | 106 (43.1) | 40 (48.1) | 0.45 |
Arrhythemia [n (%)] | 94 (38.2) | 44 (42.3) | 0.55 |
Myocardial infarction [n (%)] | 51 (20.7) | 19 (18.2) | 0.70 |
Cerebral infarction [n (%)] | 38 (15.4) | 21 (20.2) | 0.35 |
Chronic kidney disease [n (%)] | 81 (32.9) | 36 (34.6) | 0.86 |
Chronic liver disease [n (%)] | 49 (19.9) | 27 (26.0) | 0.27 |
Type 2 diabetes [n (%)] | 69 (28.5) | 36 (34.6) | 0.31 |
COPD [n (%)] | 22 (9.0) | 12 (11.5) | 0.58 |
Previous PCI [n (%)] | 34 (13.8) | 19 (18.3) | 0.37 |
Left Ventricular Ejection Fraction [Median (IQR)] | 36.5 (27.0, 54.0) | 35 (26.0, 49.3) | 0.24 |
Charlson Comorbidity Index [Median (IQR)] | 2 [1, 2] | 2 [1, 3] | 0.80 |
Length of hospital stay (days) [Median (IQR)] | 9 (7, 11.75) | 9 (6.0, 11.0) | 0.26 |