Association of the interleukin 1 beta gene and brain spontaneous activity in amnestic mild cognitive impairment

Table 2 Neuropsychological data between three genotype groups in aMCI patients

Items	CC(n = 13)	CT(n = 23)	TT(n = 11)	*Chi-square*	P
		mean rank
Mini-mental state exam (MMSE)	22.62	27.48	18.36	3.714	.156
Auditory verbal learning test delayed recall	26.00	21.33	27.23	1.863	.394
Rey-Osterrieth complex figure test delayed recall	26.58	21.74	25.68	1.254	.534
Trail making test A (seconds)	23.46	21.78	29.27	2.250	.325
Trail making test B (seconds)	20.15	24.85	26.77	1.561	.458
Symbol digit modalities test	24.00	25.48	20.91	.829	.661
Clock drawing test	20.50	26.43	23.05	1.747	.418
Digit span test	27.88	25.11	17.09	4.103	.129

Note: The P value was obtained by Kruskal-Wallis test (a type of nonparametric test) as the statistical test, as the data of the three groups were not normally distributed.

ISSN: 1742-2094