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. Author manuscript; available in PMC: 2011 Mar 15.
Published in final edited form as: Biol Psychiatry. 2009 Oct 14;67(6):584–587. doi: 10.1016/j.biopsych.2009.08.024

Table 1.

Demographics

PIB − (N = 48) PIB + N = 20) AD N = 35)
Gender (M, F) 16, 32 8, 12 * 13, 22
Age Mean (SD) 73.6 (6.6) 72.7 (6.5) * 75.3 (6.6)
Education 15.2 (2.7) 16.5 (3.8) * 14.8 (4.0)
MMSE Mean(SD) 28.7 (1.2) 28.9 (1.1)* 24.7 (3.5)**
CDR 0 0 0.5 (n=22)
1.0 (n=13)
*

No significant differences between PIB+ vs PIB− values >.05.)

**

MMSE scores differed between cognitively normal PIB+ and AD (p <.001) and between cognitively normal PIB− and AD p <.001).