Early Dual-Antiplatelet Therapy at the Emergency Department Is Associated with Lower In-Hospital Major Adverse Cardiac Event Risk among Patients with Non-ST-Elevation Myocardial Infarction

Table 1

Patient characteristics.

Variables	Time		value
	<6 hours (n = 711)	>6 hours (n = 227)
Demographics
Age, mean ± SD	63.16 ± 13.31	65.70 ± 14.13	0.014^a
Sex, (%)			0.001^b
Male	543 (76.37)	149 (65.64)
Female	168 (23.63)	78 (34.36)
Clinical diseases history, (%)
Smoking	356 (50.07)	97 (42.73)	0.054^b
Hypertension	436 (61.32)	152 (66.96)	0.126^b
Diabetes mellitus	292 (41.07)	123 (54.19)	<0.001^b
Coronary artery disease	208 (29.25)	76 (33.48)	0.227^b
Cerebrovascular disease	43 (6.05)	13 (5.73)	0.859^b
Chronic kidney disease	154 (21.66)	78 (34.36)	<0.001^b
Hyperlipidemia	49 (6.89)	26 (11.45)	0.027^b
Presentation features
Killip class II–IV, %	19.13	27.31	0.018
Systolic BP	140.0 ± 32.87	139.9 ± 39.72	0.975^a
Diastolic BP	85.96 ± 23.07	83.29 ± 24.39	0.137^a
Heart rate, bpm	87.49 ± 22.71	91.34 ± 27.10	0.056^a
Peak troponin I, ng/mL	5.82 ± 11.43	6.24 ± 13.78	0.685^a
Angiographic findings
Left main disease	67 (9.42)	18 (7.93)	0.494^b
No. of disease vessels			0.056^b
1	311 (43.74)	109 (48.02)
2	229 (32.21)	75 (33.04)
3	130 (18.28)	25 (11.01)

Data are presented as mean ± SD for continuous variables and number (percentage) for categorical variables. a: two-sample T test, b: chi-square test. BP indicates blood pressure, Significant disease is stenosis >75% in 1 coronary artery, except left main disease (stenosis >50%).