Table 1

Patient characteristics including 24 h blood pressure and white matter lesion volume measurements

Characteristic
Age (years)63.7 (9.0)
% Male64
Duration of known hypertension (years)8.5 (10.8)
HbA1c (%)6.0 (1.2)
Serum cholesterol (mmol/l)4.9 (0.9)
% Current cigarette smokers16
% Ex-cigarette smokers47
Alcohol use (units/week)8.6 (16.3)
24 h SBP (mm Hg)133.0 (12.9)
24 h DBP (mm Hg)76.1(9.0)
24 h mean BP (mm Hg)93.6 (8.9)
24 h pulse pressure (mm Hg)56.9 (9.6)
Daytime SBP (mmHg)135.8 (13.0)
Daytime DBP (mm Hg)78.4 (9.4)
Daytime mean BP (mm Hg)96.0 (9.4)
Daytime pulse pressure (mm Hg)57.4 (10.0)
Night-time SBP (mmHg)127.4 (15.5)
Night-time DBP (mm Hg)71.4 (10.4)
Night-time mean BP (mm Hg)88.2 (10.5)
Night-time pulse pressure (mm Hg)56.0 (10.0)
Total WML volume (mm3) (median (IQR))7169.4 (20497.0)
  • Values are mean (SD) unless otherwise indicated.

  • BP, blood pressure; DBP, diastolic blood pressure; SBP, systolic blood pressure; WML, white matter lesion.