Impact of Late Ventricular Arrhythmias on Cardiac Mortality in Patients with Acute Myocardial Infarction
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/L
4362 ± 4060
4817 ± 4170
0.63
Peak CK-MB U/L
321 ± 308
433 ± 544
0.20
Length of hospital stay, days
16 ± 29
25 ± 15
0.15
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.