The Efficacy of Cognitive Training for Elderly Chinese Individuals with Mild Cognitive Impairment

Table 6

Comparison of the efficacy of the intervention after three and six months of cognitive training.

Category	The percentage of participants who improved to normal levels		The percentage of participants who progressed to dementia		The percentage of participants whose condition did not change		Chi-square (χ^2) value	value
	Normal (N)	Percentage (%)	Dementia (N)	Percentage (%)	MCI (N)	Percentage (%)
Medium-term (follow-up at 3 months)
Group							17.126	<0.001
Intervention (N = 59)	14	23.73	0	0.00	45	76.27
Control (N = 63)	1	1.59	1	1.59	61	96.83
Total (N = 122)	15	12.30	1	0.82	106	86.89
Final-term (follow-up at 6 months)
Group							24.711	<0.001
Intervention (N = 54)	17	31.48	0	0.00	37	68.52
Control (N = 59)	1	1.69	3	5.08	55	93.22
Total (N = 113)	18	15.93	3	2.65	92	81.42