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. Author manuscript; available in PMC: 2009 Mar 18.
Published in final edited form as: Cereb Cortex. 2007 Jul 5;18(3):718–726. doi: 10.1093/cercor/bhm108

Table 1.

Sample descriptors for healthy and vascular risk (VR) participants

Descriptor\group Healthy VR P
N 55 32
Age at baseline (years) 51.11 (20–77) 59.75 (38–77) 0.03
Delay between baseline and follow-up 5.23 (5–6) 5.31 (5.0–6.0) 0.19
Education (years) 16.12 (12–21) 15.93 (12–21) 0.76
Percent of male participants 43 25 0.08
Blessed score at baseline 29.03 (25–31) 28.51 (25–31) 0.15
Blessed score at follow-up 28.91 (25–31) 28.59 (25–31) 0.29
Mini-mental state examination score 28.82 (26–30) 28.91 (27–30) 0.72
Blood pressure, systolic (mm Hg) 121.84 (98–155) 134.44 (112–178) <0.00001
Blood pressure, diastolic (mm Hg) 76.78 (64–97) 82.61 (69–104) <0.003

Note: Numbers in the second and third column represent means, unless otherwise indicated, with the range in parentheses; P values refer to independent sample t-tests.