Clinical Study

Characterisation of Hypertensive Patients with Improved Endothelial Function after Dark Chocolate Consumption

Table 1

Baseline characteristics of study population and responder (RESP) and nonresponder (N-RESP) groups.

ParametersTotal sample
( )
RESP
( )
N-RESP
( )
P value

Age, years57 ± 854 ± 861 ± 6*0.037
Framingham risk score, %5.3 ± 4.72.5 ± 1.88.1 ± 5.1*0.011
Body mass index, Kg/m²28.2 ± 4.529.7 ± 5.226.1 ± 2.90.065
Systolic BP, mmHg141 ± 11140 ± 12142 ± 80.718
Diastolic BP, mmHg82 ± 985 ± 779 ± 90.147
Pulse pressure, mmHg58 ± 955 ± 963 ± 50.041
Mean arterial pressure, mmHg101 ± 9103 ± 8100 ± 90.417
Total cholesterol, mmol/L5.56 ± 1.215.30 ± 0.775.84 ± 1.520.355
HDL-cholesterol, mmol/L1.24 ± 0.361.27 ± 0.311.21 ± 0.410.771
LDL-cholesterol, mmol/L3.46 ± 0.723.31 ± 0.673.62 ± 0.770.411
Triglycerides, mmol/L1.56 ± 1.131.41 ± 0.53 1.70 ± 1.550.594
Fasting glucose, mmol/L4.72 ± 0.54.72 ± 0.614.67 ± 0.390.864
Flow-mediated dilation, %10.7 ± 5.58.4 ± 5.913.8 ± 2.8*0.023
Reactive hyperemia index, units2.03 ± 0.711.70 ± 0.632.47 ± 0.51**0.006
Augmentation pressure, mmHg15 ± 715 ± 716 ± 50.869
Augmentation index, %32 ± 1134 ± 1229 ± 90.343
Aortic systolic BP, mmHg 130 ± 15128 ± 18133 ± 110.550
Aortic pulse pressure, mmHg48 ± 1044 ± 1054 ± 6*0.021

Results are expressed as mean ± SD. BP: blood pressure; HDL: high density lipoprotein; LDL: low-density lipoprotein. *P < 0.05 and **P < 0.01 versus responder group.