Validity of Reporting Oxygen Uptake Efficiency Slope from Submaximal Exercise Using Respiratory Exchange Ratio as Secondary Criterion

Table 1

Gas exchange parameters using the complete test to exhaustion data (peak exercise test data).

Variable	Mean	Standard deviation
Peak RER	1.19	0.11
Peak VO2 mL/min	2796	783
Peak VO2 mL/kg/min	39.8	8.8
Peak VO2 as percentage of predicted VO2max	131.5	20.4
VAT mL/kg/min	23.6	4.5
OUES mL/min per 10-fold ventilation increase	2814	718
OUES mL/min/kg per 10-fold ventilation increase	40.1	8.2
% Predicted OUES	130.7	34.2
VE/VCO2 slope	30.2	4.15
Predicted VE/VCO2 slope	30.6	1.56

Predicted values for VO₂max, OUES, and VE/VCO₂ slope generated from prediction equations. Abbreviations: RER, respiratory exchange ratio; VO₂, oxygen consumption; VE, minute ventilation; VCO₂, carbon dioxide production; VAT, ventilatory anaerobic threshold; OUES oxygen uptake efficiency slope.