Table 2: Cardiopulmonary exercise testing parameters at rest and exercise between Pre and Post EPO treatment

Pre Post P value
At Rest
Rest HR, (bpm) 88.2 ± 18.2 84.8 ± 13.1 0.362
Rest SBP, (mmHg) 148.5 ± 24.7 141.0 ± 18.9 0.147
Rest VE, (l/min) 9.4 ± 2.2 8.7 ± 1.7 0.110
Rest R-R, (n/min) 16.3 ± 4.0 16.9 ± 4.2 0.510
Rest TV, (ml) 617.1 ± 228.4 566.8 ± 187.6 0.304
Rest VO2, (ml/min) 202.9 ± 42.1 207.7 ± 36.2 0.604
Rest VCO2, (ml/min) 172.2 ± 41.5 165.5 ± 31.4 0.436
Rest VE/VO2, (ml/ml) 46.9 ± 6.4 43.8 ± 5.5 0.028
Rest VE/VCO2 , (ml/ml) 55.6 ± 8.1 55.2 ± 8.1 0.824
Rest VCO2/VO2 0.85 ± 0.05 0.80 ± 0.05 < 0.001
During Exercise
Exercise time, (sec.) 467.8 ± 154.4 584.5 ± 145.6 < 0.001
Peak HR, (bpm) 125.5 ± 27.7 121.6 ± 27.5 0.548
Peak SBP, (mmHg) 186.1 ± 29.7 183.9 ± 29.4 0.755
Peak VE, (l/min) 32.8 ± 12.8 33.1 ± 12.2 0.919
Peak R-R, (n/min) 27.8 ± 7.1 28.9 ± 7.1 0.492
Peak TV, (ml) 1181.2 ± 362.5 1148.7 ± 335.6 0.690
AT, (mL/min/kg) 12.3 ± 2.8 13.3 ± 2.5 0.153
AT time, (sec.) 393.1 ± 66.0 449.4 ± 86.8 < 0.05
ΔVO2/time, (mL/min/sec) 1.91 ± 1.03 1.67 ± 0.31 0.178
Peak O2 pulse, (mL/min/beat) 6.5 ± 2.1 8.1 ± 2.1 0.001
Peak VO2, (ml/min/kg) 15.7 ± 5.3 18.8 ± 5.3 0.017
OUES 1,255 ± 375 1,517 ± 357 < 0.001
VE vs. VCO2 slope 34.3 ± 7.3 31.8 ± 7.2 0.861
Peak VCO2/VO2 0.97 ± 0.12 0.90 ± 0.13 0.026


Data presented are the mean value ± SD. HR: Heart Rate, SBP: Systolic Blood Pressure, VE: Ventilation, R-R: Respiratory Rate, TV: Tidal Volume, VO2: O2 uptake, VCO2: CO2 output, AT: Anaerobic Threshold, AT time: Time at AT after starting ramp exercise, OUES: Oxygen Uptake Efficiency Slope.