Table 4.

Score on specific items of MMSE in treatment and control groups (x ± s).

	Treatment group			Control group			t value*	P value*
	Week 0	Week 4	Week 12	Week 0	Week 4	Week 12
Orientation	9.66 ± 0.61	9.83 ± 0.47	9.86 ± 0.44	9.64 ± 0.73	9.71 ± 0.60	9.93 ± 0.26	−0.513	0.610
Registration	2.86 ± 0.44	2.93 ± 0.26	3.00 ± 0.00	2.93 ± 0.26	3.00 ± 0.00	3.00 ± 0.00	0.689	0.494
Attention and calculation	4.10 ± 1.14	4.28 ± 1.03	4.38 ± 0.90	4.43 ± 0.84	4.50 ± 0.79	4.61 ± 0.79	0.683	0.498
recall	1.79 ± 1.05	2.00 ± 0.76	2.31 ± 0.89	2.04 ± 0.88	2.21 ± 0.88	2.32 ± 0.77	1.297	0.200
Language and praxis	8.97 ± 0.19	8.97 ± 0.19	8.97 ± 0.19	8.82 ± 0.55	8.89 ± 0.42	8.89 ± 0.42	−1.467	0.148

Note: *t value and P value were calculated by t-test comparing the score in week 0 and week 12 between the two groups.