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Table 2 Demographic characteristics of study subjects

From: The effect of an apple polyphenol extract rich in epicatechin and flavan-3-ol oligomers on brachial artery flow-mediated vasodilatory function in volunteers with elevated blood pressure

Variable (SD) Apple extract – placebo sequence Placebo- apple extract sequence
 Age, y 55.6 (7.9) 54.9 (6.4)
 Male sex, n 13 13
 BMI, kg/m2 24.7 (3.0) 26.3 (3.5)
 Systolic blood pressure, mm Hga 148 (12) 150 (12)
 Diastolic blood pressure, mm Hga 91 (6.5) 93 (5.9)
 LDL cholesterol, mmol/l 3.1 (0.9) 3.5 (0.8)
 HDL cholesterol, mmol/l 3.1 (0.9) 3.5 (0.8)
 Triglycerides, mmol/l 1.0 (0.3) 1.2 (0.7)
 Glucose, mmol/l 5.4 (0.4) 5.5 (0.5)
 C-reactive protein, mg/l 2.8 (2.0) 2.2 (1.2)
Alcohol consumption, n
 Non-drinker 2 5
 Moderate consumption 28 25
Use of nicotine products, n
 Never used 22 22
 History of use 5 6
 Current use 3 2
Caffeine consumption, n
 Does not use caffeine 0 2
 ≤ 600 mg caffeine/day 27 22
 > 600 mg caffeine/day Epicatechin intake (mg) 3 8.2 (5.8) 6 9.2 (5.1)
  1. aScreening visit