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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Pharmacogenet Genomics. 2008 Sep;18(9):743–750. doi: 10.1097/FPC.0b013e3282fee5a1

Table 1.

Demographic characteristics and resting cardiovascular measures.

White subjects Black Subjects P-value
n 39 40
Female (%) 17 (43.6%) 19 (47.5%) 0.73
Age (years) 26.0 ± 5.0 25.5 ± 5.6 0.65
Height (m) 1.72 ± 0.08 1.73 ± 0.11 0.69
BMI (kg/m2) 24.4 ± 3.5 26.6 ± 4.1 0.009
Positive family history of
hypertension [n (%)]		 15 (38.5%) 20 (50%) 0.30
Heart rate (bpm) 63.7 ± 10.1 64.2 ± 9.1 0.82
Systolic blood pressure
(mmHg)		 109.4 ± 8.9 114.8 ± 8.7 0.008
Diastolic blood pressure
(mmHg)		 64.8 ± 4.7 67.2 ± 7.8 0.10
Plasma norepinephrine
(pg/mL)		 249.8 ± 142.5 232.9 ± 131.6 0.59
Plasma epinephrine
(pg/mL)		 17.7 ± 20.0 24.5 ± 14.7 0.10

Continuous variables are represented as mean ± standard deviation. P-values are for ethnic comparisons (independent t-test / Chi-Square test).