Table 1.

Summary demographic data for healthy older adults and stroke patients. Subjects' age and time between visits displayed no difference. Gender difference between the groups were not significant as tested by two-tailed Fisher's exact test (p = 0.46).

	Sample size N (females)	Time (months) between visit (mean ± std. dev)	Age (mean ± std. dev.) in years	Gender (M:F)	Clinical NIH-SS (mean)
Normal controls	14 (6)	9.7 ± 2.5	59.6 ± 4.9	8: 6	n/a
Stroke patients	20 (5)	8.7 ± 6.3	59.2 ± 12.5	15: 5	1.79