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. Author manuscript; available in PMC: 2018 Apr 15.
Published in final edited form as: Hum Brain Mapp. 2010 Jul 29;32(9):1349–1362. doi: 10.1002/hbm.21111

TABLE I.

Group characteristics

Group m/fa Age in yearsb (SD)/range Education in yearsc (SD)/range MMSE (SD)/range
Healthy controls 12/8 67.0 (7.3)/56–83 12.9 (3.6) 8–20 29.0 (0.7) 28–30
AD patients   9/12 76.1 (7.4)/58–87 11.0 (1.9) 8–18 22.9 (3.0) 17–29
MCI patients   9/7 73.6 (7.8)/60–88 11.6 (2.3) 7–17 26.5 (1.1) 24–28
a

Not significantly different between the three groups, χ2 = 0.86, 2 df, P = 0.65

b

Significantly different between AD and controls, T = −3.98, 39 df, P < 0.001, and MCI and controls T = −2.60, 34 df, P < 0.015. Not significantly different between AD and MCI, T = 1.03, 35 df, P = 0.31.

c

Significantly different between AD and controls, T = 2.17, 39 df, P < 0.05. Not significantly different between MCI and controls, T = 1.32, 34 df, P = 0.19, and between AD and MCI, T = 0.81, 35 df, P = 0.42.