Effect of reperfusion strategy on QT dispersion in patients with acute myocardial infarction: Impact on in-hospital arrhythmia

Table 1 Patient characteristics

Characteristic	Group I, n = 120 patients	Group II, n = 120 patients	P value
Age in yr	57.9 ± 9.6	59.1 ± 10.7	0.38
Male sex	96 (80)	93 (77.5)	0.64
Smoking	49 (40.8)	58 (48.3)	0.24
Hypertension	35 (29.2)	43 (35.8)	0.27
Diabetes mellitus	38 (31.7)	40 (33.3)	0.78
CKD	4 (3.3)	7 (5.8)	0.35
Family history of CAD	15 (12.5)	21 (17.5)	0.28
Dyslipidemia	61 (50.8)	49 (40.8)	0.12
Location of MI: Anterior MI non-anterior MI	72 (60) 48 (40)	61 (50.8) 59 (49.2)	0.15
Time from chest pain onset to reperfusion in hr	4.04 ± 1.96	4.39 ± 2.79	0.29

Data are expressed in form of mean ± SD or frequency (%). CAD: Coronary artery disease; CKD: Chronic kidney disease; MI: Myocardial infarction; SD: Standard deviation.