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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: JACC Heart Fail. 2016 Feb 10;4(6):428–437. doi: 10.1016/j.jchf.2015.12.013

Table 3.

Short term daily dosing effect- 1 dose placebo versus 1 week beetroot juice

1 Dose Placebo 1 week Beetroot Juice P-value
Exercise time at constant work rate, sec 363 ± 125 449 ± 180 0.02
At exhaustion:
 VO2, ml/kg/min 12.0 ± 2.2 12.0 ± 2.6 0.79
 VO2, ml/min 1065 ± 321 1069 ± 341 0.82
 VCO2, ml/min 1259 ± 421 1239 ± 422 0.46
 Respiratory exchange ratio 1.18 ± 0.08 1.16 ± 0.09 0.32
 Heart rate, bpm 121 ± 21 122 ± 23 0.59
 Systolic blood pressure, mmHg 166 ± 16 159 ± 17 0.054
 Diastolic blood pressure, mmHg 77 ± 9 75 ± 6 0.38
 Rate pressure product, bpm*mmHg 20187 ± 4622 19616 ± 5182 0.43

Data is presented as mean ± SD. Mean constant work rate = 45 W. Exercise time excludes the 2-minute unloaded pedaling period.