Table 2.

Basic Demographics of HCP-Aging Data.

Basic Demographics	Func1_AP	Func2_PA	Func3_AP	Func4_PA
Total Subject	589	626	573	607
Age (month)	712.77 ± 186.96	720.41 ± 186.04	718.47 ± 187.35	720.15 ± 184.88
Gender (F/M)	336/253	361/265	325/248	355/252
Race (W/B/A/O)	424/80/45/40	461/80/45/40	416/74/44/39	450/75/43/39
Mean FD	0.18 ± 0.05	0.17 ± 0.05	0.19 ± 0.05	0.17 ± 0.06

F = female; M = male; W = white; B = black or African American; A = Asian; O = others or unknown; FD = framewise displacement.