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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