. 2016 Jul 4;6:28982. doi: 10.1038/srep28982

Table 1. Demographic data for both drug and placebo groups at baseline.

	Drug group (n = 30)	Placebo group (n = 30)	F (X²) value	P value
	Mean ± SD	Mean ± SD	F (X²) value	P value
Age (years)	66.00 ± 6.86	63.33 ± 6.65	1.529	0.132
Gender (male/female)^a	16/14	12/18	1.071	0.301
APOE genotype (ε4 carriers/non-carriers)^a	8/22	4/26	1.667	0.197
Education (years)	10.37 ± 3.41	10.33 ± 3.53	0.037	0.970

Abbreviation: APOE = apoliprotein E.

^aThe P values for gender and APOE genotype were obtained using Chi-square tests. P < 0.05 was considered as significant.