Table 1.

The basic demographic and clinical characteristics of subjects.

	CAD (n = 15)	Non-CAD (n = 13)	P-value
Age, mean ± SD, years	45.27 ± 3.87	48.87 ± 2.68	0.45
Male sex, n (%)	11 (73.3)	9 (60.0)	0.46
Hypertension, n (%)	5 (33.3)	8 (53.3)	0.28
Diabetes mellitus, n (%)	1 (6.7)	4 (26.7)	0.15
Hyperlipidemia, n (%)	3 (20)	6 (40)	0.25
Smoking, n (%)	4 (26.7)	7 (46.7)	0.27
Symptoms at onset, n (%)
Headache or neck pain	7 (46.7)	3 (20)	0.13
Horner sign	2 (13.3)	1 (6.7)	0.56
Stroke	15(100)	13 (100)	0.27
NIHSS score on admission	4.07 ± 1.14	6.53 ± 0.71	0.07
Site of dissection, n (%)
Internal carotid artery	9 (60)	n/a
Vertebral artery	5 (33.3)	n/a
Multiple dissections	1 (6.7)	n/a
Time to serum sampling, days	13.40 ± 3.21	9.93 ± 1.96	0.12

n/a, not applicable; multiple dissection includes: ICA and VA, bilateral ICA and bilateral VA; ICA, internal carotid artery; VA, vertebral artery.