Skip to main content
. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Neurobiol Aging. 2010 Jun 11;31(8):1355–1363. doi: 10.1016/j.neurobiolaging.2010.04.031

Table 2. Summary of demographic and clinical data of the 358 participating subjects.

CTRL AD Statistical Significance (p-value)
# Subjects 188 170
Mean Age 75.93±5.01 75.79±7.57 p≥0.83
Gender (Male/Female) 98/90 101/91 p≥0.706
Smoker/non-smoker 69/101 222/135 p≥0.26
Handedness (right/left) 171/17 158/12 p≥0.5
Mean MMSE 29.11±0.93 23.40±2.07 p≤0.00001
Mean ADAS-cog 9.37±4.09 28.65±8.7 p≤0.00001
Mean years of Education 16.18± 2.81 14.9± 3.0 p≤5.4E-5
APOE (ε2/ε3/ε4) 27/297/52 8/189/143 p≤4.7755E-17

Mean ± standard deviation (SD) and the frequency of each category are represented with test statistics.