The Association between Door-to-Balloon Time of Less Than 60 Minutes and Prognosis of Patients Developing ST Segment Elevation Myocardial Infarction and Undergoing Primary Percutaneous Coronary Intervention

Table 1

Baseline demographic and clinical history.

Variables	Door-to-balloon < 60 min; ()	Door-to-balloon 60~90 min; ()	value
Age (years)	59.0 ± 12.04	62.6 ± 12.06	0.012
Male	213 (88.4%)	90 (86.5%)	0.631
Body mass index (kg/m^2)	25.5 ± 3.68	25.0 ± 4.19	0.303
Mean artery pressure (mmHg)	105.0 ± 26.87	101.6 ± 24.24	0.278
Diabetes	73 (30.3%)	36 (34.6%)	0.428
Hypertension	152 (63.1%)	68 (65.4%)	0.682
Hyperlipidemia	139 (57.7%)	56 (53.8%)	0.510
Smoking	122 (50.6%)	42 (40.4%)	0.081
Previous myocardial infarction	21 (8.7%)	14 (13.5%)	0.180
History of PCI	21 (8.7%)	14 (13.5%)	0.180

: percutaneous coronary intervention.