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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: J Hypertens. 2017 May;35(5):975–981. doi: 10.1097/HJH.0000000000001266

TABLE 2.

Hierarchical regression results predicting dose of isoproterenol to increase heart rate by 25 bpm and dose of phenylephrine to increase mean arterial pressure by 25 mmHg

Model 1 CD25 PD25
Estimate P R2 Estimate P R2
BP status 0.26 0.001 −0.20 0.007
Sex 0.16 0.044 0.27 0.001
Race 0.14 0.065 0.10 −0.24 0.001 0.17
Model 2
 BP status 0.15 0.054 −0.21 0.009
 Sex 0.20 0.010 0.27 0.001
 Race 0.11 0.159 −0.24 0.001
 Age 0.14 0.071 −0.04 0.574
 BMI 0.23 0.003 0.16 0.06 0.436 0.16

Note: Body size (BSA) was unrelated to both CD25 and PD25 in these models. For BP status 1 = high, 2 =normal; sex 1 =male, 2 =female; race 1 =African-American, 2 =white. CD25, dose of isoproterenol to increase heart rate by 25 bpm; PD25, dose of phenylephrine to increase mean arterial pressure by 25 mmHg.