Table 1

Main Characteristics of the Patients in the Two Groups and Adverse Events After Discharge

Derivation Study (n = 114)Validation Study (n = 109)p Value
 Age (yrs)69.4 ± 14.470.9 ± 13.30.45
 Age ≥75 yrs (n, %)50 (44%)32 (43%)0.85
 Gender (male/female)79/3556/530.003
 Ischemic etiology (n, %)44 (39%)45 (42%)0.50
 LVEF37.5 ± 14.931.8 ± 14.50.17
 Use of inotropes (n, %)25 (22%)34 (32%)0.07
 In-hospital death (n, %)9 (8%)12 (11%)0.64
 BNP at admission (ng/ml)1,015 ± 604941 ± 5260.68
 BNP at discharge (ng/ml)457 ± 451441 ± 5010.80
Outcome after dischargen = 105n = 97
 Cardiac death (n, %)12 (11%)9 (9%)0.64
 First re-admission (n, %)39 (37%)26 (27%)0.21

BNP = B-type natriuretic peptide; LVEF = left ventricular ejection fraction.