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. Author manuscript; available in PMC: 2009 Sep 25.
Published in final edited form as: Brain. 2007 May 28;130(Pt 7):1777–1786. doi: 10.1093/brain/awm112

Table 1.

Subject demographics for the aMCI converters and controls

aMCI Converters (n=33) Controls (n=33) P values
No. of females 19 (58) 19 (58) -
Median (range) age, yrs. 78 (65, 92)‡ 78 (63, 93) 0.97*
Median (range) education, yrs. 16 (7, 20) 13 (8, 18) 0.23*
No. of APOE ε4 carriers (%) 23 (71.9) 6 (18.2) <0.001†
†

Chi-square test was performed across groups

*

Kruskal Wallis test was performed across groups

‡

Age at time of the scan 9–18 months prior to conversion