. Author manuscript; available in PMC: 2017 Jul 24.

Published in final edited form as: Pharmacogenomics J. 2016 Apr 19;17(4):366–371. doi: 10.1038/tpj.2016.29

Table 1.

Demographic and cardiovascular measurements in subjects who performed the hand vein study (n=105) and the subgroup that also participated in the cold pressor test (n=57).

Characteristics	Hand vein study n = 105	Cold pressor test n = 57
Age, years	27.3± 7.2	26.4± 5.8
Female sex, n (%)	47 (44.8)	23 (40)
Caucasians, n (%)	64 (61)	36 (63)
BMI, kg/m²^*	25.3 ± 4.5	24.8 ± 4.1
Resting SBP, mmHg	111.6 ± 11.5	115.5 ± 10.6
Resting DBP, mmHg	62.4 ± 8.3	64.5± 6.3
Resting MAP, mmHg	72.1 ± 6.6	81.5 ± 6.8
Resting HR, bpm	59.9 ± 8.3	64.0 ± 7.1
Baseline Plasma norepinephrine, pg/ml	167.0 ± 64.5	193.6 ± 111.8
Baseline Plasma epinephrine, pg/ml	19.5 ± 13.8	19.7± 13.3
Phenylephrine ED₅₀, ng/min, Geometric Mean (95%CI)	260 (202 – 335)	306 (213 – 440)
Phenylephrine E_max, %, Median (IQR)	87 (76 – 97)	82 (72 – 95)
ΔMAP after CPT, mmHg		17.9± 9.1
ΔHR after CPT, bpm		14.9± 13.4

BMI - body mass index; SBP – Systolic Blood Pressure; DBP – Diastolic Blood Pressure; MAP – Mean Arterial Pressure; HR – Heart rate; bpm -- beats per minute