Table 3: Clinical outcomes of the patients with early VT/VF or late VT/VF.

Characteristics Early VT/VF (n=92)Late VT/VF (n=24) p value

Peak CK U/L4362 ± 40604817 ± 41700.63
Peak CK-MB U/L321 ± 308433 ± 5440.20
Length of hospital stay, days16 ± 2925 ± 150.15
In-hospital recurrent MI, n (%)2 (2.2)1 (4.2)0.51
In-hospital stroke, n (%)1 (1.1)1 (4.2)0.37
In-hospital cardiac mortality, n (%)22 (24)14 (58)0.002
In-hospital noncardiac mortality, n (%)3 (3.2)2 (8.3)0.28
Recurrent MI at 1 year, n (%)2 (2.2)1 (4.2)0.63
Stroke at 1 year, n (%)3 (3.3)0 (0)0.58
All-cause mortality at 1 year, n (%)26 (28)17 (71)< 0.001
Cardiac mortality at 1 year, n (%)22 (24)14 (58)< 0.001

CK: creatine kinase, CK-MB: creatine kinase-MB, MI: myocardial infarction, VT/VF: ventricular tachycardia or ventricular fibrillation.
Note: P value for recurrent MI, stroke, all-cause mortality, and cardiac death were analyzed by log-rank test.