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Table 1 Descriptive statistics of demographic and clinical variables for participants with small vessel disease and controls

From: The Brief Memory and Executive Test (BMET) for detecting vascular cognitive impairment in small vessel disease: a validation study

Measure Control (n = 303) SVD (n = 196) t -test
Demographic variables, Mean (SD)
Age 62.5 (13.8) 63.5 (9.9) t = 0.86 (P = 0.38)
Years education 14.0 (2.8) 13.7 (3.8) t = 1.2 (P = 0.22)
Gender (% male) 54% 68%  
Socioeconomic status  
Professional 13% 11% χ2 = 0.50 (P = 0.47)
Managerial 42% 34% χ2 = 3.9 (P = 0.05)
Skilled 35% 40% χ2 = 1.08 (P = 0.29)
Partly skilled 7% 10% χ2 = 1.25 (P = 0.26)
Unskilled 1% 2% χ2 = 0.95 (P = 0.32)
Other 2% 3% χ2 = 1.2 (P = 0.27)
Risk factors, Mean (SD)
Weight (kg) 74.8 (18.3) 81.6 (15.9) t = 4.3 (P ≤0.001)
Systolic BP (mmHg) 132 (17.7) 139.7 (17.9) t = 4.4 (P ≤0.001)
Diastolic BP (mmHg) 78.9 (10.7) 80.6 (10.5) t = 1.6 (P = 0.102)
Units of alcohol per week 11.6 (13.1) 8.54 (14.6) t = 1.2 (P = 0.016)
Time since last stroke (months) 20.5 (32.3)
Treated hypertension 28% 75% χ2 = 103 (P ≤0.001)
Treated hyperlipidaemia 24% 78% χ2 = 143 (P ≤0.001)
Diabetes mellitus (%) 6% 23% χ2 = 30.3 (P ≤0.001)
Smoker (% ever a smoker) 58% 44% χ2 = 19.4 (P ≤0.001)
Cognitive scores
MMSE 28.2 (1.9) 28.04 (2.2) t = 1.1 (P = 0.27)
MoCA 25.6 (3.2) 24.7 (3.3) t = 2.8 (P = 0.005)
  1. MoCA, Montreal Cognitive Assessment; MMSE, Mini Mental State Examination.