Table 1

Difference in the prevalence of significant coronary stenosis detected by coronary CT angiography with risk factors of coronary artery stenosis compared with those without in the study population

Risk factor	Patients with ≥50% coronary stenosis (n)	Patients with <50% coronary stenosis (n)	OR (95% CI)	P value
Age
≥45	218	457	5.97 (3.64 to 9.80)	<0.0001*
<45	19	238	5.97 (3.64 to 9.80)	<0.0001*
Gender
Male	556	231	0.73 (0.52 to 1.02)	0.07
Female	174	53	0.73 (0.52 to 1.02)	0.07
Diabetes
Yes	89	156	2.06 (1.50 to 2.82)	<0.0001*
No	151	544	2.06 (1.50 to 2.82)	<0.0001*
Hypertension
Yes	146	340	1.65 (1.22 to 2.22)	0.001*
No	94	360	1.65 (1.22 to 2.22)	0.001*
Dyslipidaemia
Yes	138	87	1.28 (0.79 to 2.06)	0.35
No	347	27	1.28 (0.79 to 2.06)	0.35
Smoking
Yes	64	172	1.12 (0.80 to 1.56)	0.52
No	176	528	1.12 (0.80 to 1.56)	0.52
Family history
Yes	142	364	1.34 (0.99 to 1.80)	0.05
No	98	336	1.34 (0.99 to 1.80)	0.05

χ² was applied.
*P<0.05 was considered significant.