Table 4.

Comparison of % of patients with improved or deteriorated MMSE scores

		MMSE change
		6 m	12 m	18 m	24 m
Improved(≥0)	CT + H no.	51/71	29/52	8/26	10/30
	%	71.83	55.76	30.76	33.33
	CT, no.	23/33	10/28	2/27	2/26
	%	69.69	35.71	7.40	7.69
	P value	0.823	0.087	0.030	0.020
Deteriorated(≥4)	CT + H, no.	5/71	5/52	3/26	5/30
	%	7.04	9.61	11.53	16.67
	CT, no.	3/33	7/28	12/27	17/26
	%	9.09	25.00	44.44	65.38
	P value	0.715	0.066	0.008	0.000

CH + H denotes conventional therapy with herbal medicines; CT denotes conventional therapy alone; MMSE denotes mini-mental state examination