Table 1.

Clinicodemographic Characteristics of Study Subjects

Characteristic	Nondemented	AD	P value
Sample size	n = 32	n = 40
Age at death [years (means ± SD)]	81.3 ± 12.6	77.6 ± 8.6	>0.05∗
Females [no. (%)]	19 (59.4)	26 (65.0)	>0.05†
Postmortem interval [hours (means ± SD)]	17.9 ± 11.7	14.1 ± 6.2	>0.05‡
APOE ɛ4 allele carriers [n/N (%)]	5/27§ (18.5)	21/40 (52.5)	0.0058†

^∗Unpaired Student's t-test with Welch's correction.

^†Chi-square with Fisher's exact test.

^‡U-test.

^§APOE genotype was not available for five nondemented subjects.