Table 3. STT-B-1 min in Three Different Diagnostic Groups.

	NC	aMCI	AD	F(P)
N	172	241	61
MMSE	28.8(3.5) ##	27.2(1.8)**	22.1(2.5) ††	145.7(0.00)
STT-A	52.1 (17.4) ##	68.7 (27.6)**	90.09 (43.0) ††	47.46(0.00)
STT-B	151.9 (62.0)##	201.5 (84.5)**	266.8(112.1)††	46.60(0.00)
STT-B-1min	11.2 (4.0)##	8.2 (3.8)**	6.49 (3.2) ††	47.24(0.00)

Comparison between NC group and aMCI group was marked behind “aMCI group”, ^** P<0.01.

Comparison between aMCI group and AD group was marked behind “AD group”, ^†† P<0.01.

Comparison between NC group and AD group was marked behind “NC group”, ^## P<0.01.