Table 1

Unadjusted OR for characteristics of patients and hospitals comparing women with men according to age

	All patients		Age group, year
	Women n=3574 Per cent	Men n=8412	<60 n=3914	60–69 n=3213 OR*	70–79 n=3562	≥80 n=1297
Cardiovascular risk factors
Hypertension	56.4	45.5	1.84†	60–69 n=3213 OR*	70–79 n=3562	≥80 n=1297	1.43†	1.37†	1.13
Diabetes	25.6	16.3	2.06†	1.98†	1.68†	1.27
Current smoker	10.1	44.5	0.09†	0.16†	0.26†	0.26†
Medical history
MI	9.2	10.8	0.87	0.72†	0.80†	0.50†
PCI	1.2	1.8	0.64	0.58	0.85	0.16†
Stroke	12.7	10.8	1.26	1.02	0.93	1.00
Clinical characteristics at admission
Symptom onset to presentation (h)
≤12	46.8	51.3	0.70†	0.95	0.91	1.18
>12 to ≤24	14.5	12.1	1.18	1.18	1.21	1.01
>24	38.8	36.6	1.36†	0.97	1.00	0.84
Chest discomfort	89.7	93.3	0.81	0.66†	0.77†	0.93
SBP (mm Hg)
≥140	39.2	32.1	1.57†	1.22†	1.27†	1.29†
90–139	54.0	62.4	0.66†	0.81†	0.78†	0.69†
<90	6.8	5.6	0.91	1.09	1.06	1.62†
HR (bpm)
≥100	19.7	13.2	1.68†	1.47†	1.44†	1.29
Anterior AMI	23.9	23.6	0.95	0.94	1.06	1.22
Cardiac arrest	0.9	1.4	0.33†	0.86	1.53	0.86
Cardiogenic shock	7.5	5.4	1.15	1.33	1.25	1.22
eGFR (mL/min/1.73 m²)
≥90	23.6	35.0	0.68†	0.75†	0.90	0.92
≥60–<90	31.2	32.5	1.19	0.81†	0.83†	0.76†
<60	28.6	16.9	2.08†	1.61†	1.26†	1.23†
Unmeasured	16.6	15.7	0.99	1.24†	1.09	1.20
LDL-C (mg/dL)
<100	27.7	34.9	0.77†	0.55†	0.66†	0.73†
≥100 to <130	23.8	24.1	1.00	1.04	1.04	1.15
≥130	19.6	16.2	1.08	1.37†	1.62†	1.52†
Unknown	29.0	24.9	1.23†	1.44†	1.09	1.00
Hospital characteristics
Economic–geographic region
Eastern	62.4	57.6	1.24†	1.35†	1.16†	0.96
Central	20.0	22.0	0.80†	0.80†	0.99	1.10
Western	17.6	20.5	0.92	0.79†	0.80†	0.95
Rural/Urban
Rural	40.3	37.4	1.29†	0.98	0.98	1.09
Urban	59.7	62.6	0.78†	1.02	1.02	0.92
PCI-capable hospital	58.7	61.0	0.88	0.93	0.99	0.93
Hospital with CCU	78.2	78.8	0.85	1.00	1.07	1.10
Teaching hospital	79.2	81.1	0.90	0.75†	1.00	0.89
Year of discharge
2001	15.9	16.2	1.11	1.20†	0.91	0.74
2006	29.1	30.2	0.94	0.93	0.95	0.88
2011	55.0	53.6	0.99	0.94	1.10	1.26†

*The OR is for the comparison of women with men.
†The OR is significant between women and men.
CCU, coronary care unit; eGFR, estimated glomerular filtration rate; HR, heart rate; LDL-C, low-density lipoprotein cholesterol; MI: myocardial infarction; PCI, percutaneous coronary intervention; SBP, systolic blood pressure.