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. Author manuscript; available in PMC: 2023 Feb 27.
Published in final edited form as: Neurobiol Aging. 2015 Dec 19;39:165–173. doi: 10.1016/j.neurobiolaging.2015.12.004

Table 1.

Sociodemographic and clinical status characteristics

HC (N= 175) MCI/AD (N= 222)
BDNF Val/Val
N= 120 		BDNF Met Carriers
N= 55 		Statistical Test BDNF Val/Val
N= 153 		BDNF Met Carriers
N= 69 		Statistical Test
Age, Mean (SD) 76 (5)
Range: 60–88		 76 (5)
Range: 63–90		 t173= −0.12
p= 0.91		 75 (7)
Range: 55–91		 75 (7)
Range: 55–88		 t220= −0.24
p= 0.80
Gender M/F 62/58 31/24 X2= 0.33
p= 0.56		 59/94 34/35 X2= 2.24
p= 0.13
Education, Mean (SD) 16 (2)
Range: 10–20		 16 (3)
Range: 6–20		 t173= 0.43
p= 0.67		 15 (3)
Range: 6–20		 15 (3)
Range: 8–20		 t220= −0.60
p= 0.55
CDR-SB, Mean (SD) 0 (0)
Range: 0–1.5		 0 (0)
Range: 0–1.5		 t167= −0.31
p= 0.75		 2.5 (1.6)
Range: 0.5–9		 2.7 (1.6)
Range: 0.5–8		 t220= −0.39
p= 0.70