Association between the c. 2495 A>G ATP7B Polymorphism and Sporadic Alzheimer's Disease

Table 2

Demographic characteristics of the investigated groups. Data are mean (SD).

	AD patients	Controls
Number of subjects	190	164
Sex F (%)	70	68
Education mean (SD)	9 (5.0)	9.3 (4.6)
Age (years) mean (SD)	74.4 (7.9)^a	67.7 (11.2)
MMSE mean (SD)	18.6 (5.8)^a	28.3 (1.2)
APOE ε4 frequency(%)	35^a	13

*Correlation is significant at the 0.05 level (2-tailed).
aSignificantly different between AD and control group (P  <  .001).
bSignificantly different between AD and control group (P <  .05).