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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Hypertension. 2013 Feb 11;61(4):915–920. doi: 10.1161/HYPERTENSIONAHA.111.00854

Table 1.

Demographic characteristics of 106 subjects

Parameter Caucasians n = 64 African Americans n = 42 P value
Age, years 26.9 ± 6.8 28.1 ± 8.0 0.42
Female sex, n (%) 31 (48%) 18 (43%) 0.69
Family history of Hypertension, n (%) 25 (39%) 20 (48%) 0.55
Systolic blood pressure, mmHg 110.3 ± 11 111.1 ± 9.5 0.70
Diastolic blood pressure, mmHg 60.7 ± 6.8 63.4 ± 8.0 0.065
Heart rate, bpm 59.0 ± 8.2 63.7 ± 8.0 0.005
Plasma norepinephrine, pg/ml 162.3 ± 58.0 179.5 ± 70.8 0.21
Plasma epinephrine, pg/ml 18.5 ± 12.5 21.0 ± 15.6 0.39
BMI, kg/m2 24.3 ± 3.8 26.8 ± 5.4 0.007

Data presented as mean ± SD.