Table 1.

Characteristics of stroke patients and control subjects on admission

	Stroke patients	Control subjects
Women, n	3	3
Men, n	5	5
Age, mean ± SEM	66.3 ± 5.9	65.1 ± 5.6
Risk factors, n
No risk factor	0	2
One risk factor	1	3
Two risk factors	6	1
Three or more risk factors	1	2
Stroke classification, n
Large-vessel disease	3
Cardioembolic disease	3
Others	2
Rankin scale, median (range)	3 (2–6)
NIHSS, median (range)	4 (1–13)

Stroke subtype was classified according to the TOAST (Trial of Org 10172 in Acute Stroke Treatment) criteria (Adams et al., 1993). Risk factors were atrial fibrillation, hypertension, hypercholesterinemia, and smoking. NIHSS, National Institutes of Health Stroke Scale.