Table 1.

Demographic differences between the set for developing criteria and the set for validation.

	The set for developing selection criteria (N = 1,860)	The set for validation (N = 798)	p
Age	65.5 ± 11.1	64.7 ± 11.2	0.078
Sex, male	1214 (65.3)	531 (66.5)	0.568
CAC score*	70.55 (3.05-293.45)	56.55 (3.68-245.40)	0.099
CAC group			0.409
CAC score 0	346 (18.6)	139 (17.4)
0 < CAC score <100	698 (37.5)	327 (41.0)
100 ≤ CAC score <400	457 (24.6)	183 (22.9)
CAC score ≥ 400	359 (19.3)	149 (18.7)
Severe coronary artery disease	256 (13.8)	104 (13.0)	0.658
Risk factors
Hypertension	1416 (76.1)	607 (76.1)	1
Diabetes mellitus	612 (32.9)	262 (32.8)	1
Dyslipidemia	247 (13.3)	92 (11.5)	0.239
Smoking	491 (26.4)	234 (29.3)	0.132
Metabolic syndrome	786 (42.3)	347 (43.5)	0.587
Atrial fibrillation	242 (13.0)	97 (12.2)	0.587
Laboratory findings
Total cholesterol	183.4 ± 61.5	182.7 ± 64.9	0.807
Triglyceride	129.1 ± 95.0	127.2 ± 84.2	0.618
HDL cholesterol	42.3 ± 10.6	42.2 ± 11.1	0.759
LDL cholesterol	108.7 ± 35.4	107.9 ± 35.8	0.631
HbA1c	6.7 ± 3.5	6.5 ± 1.4	0.051
CRP	13.2 ± 32.0	11.5 ± 29.8	0.442
hs-CRP	6.9 ± 18.8	6.6 ± 21.6	0.741
Initial glucose	142.7 ± 62.5	140.7 ± 56.3	0.421
Fasting glucose	115.6 ± 41.5	116.9 ± 70.1	0.621
Initial systolic BP	155.7 ± 39.7	155.6 ± 31.0	0.903
Initial diastolic BP	85.6 ± 15.5	86.6 ± 16.3	0.161
Previous cerebral infarction	250 (13.4)	113 (14.2)	0.665
Peripheral artery disease	45 (2.4)	13 (1.6)	0.257

Values are presented as the mean ± standard deviation or number (%), except CAC score*.

CAC scores* are presented as the median (interquartile range).

BP, blood pressure; CAC, coronary artery calcium; HbA1c, hemoglobin A1c; HDL, high-density lipoprotein; hs-CRP, high-sensitivity C-reactive protein; LDL, low-density lipoprotein.