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Evaluation of ventilatory efficiency (VE/VCO2 slope) showing regression lines measured in each group (treadmill (n=37); cycle ergometer (n=54); BMI: 18-25 (n=70); 25-30 (n=21); age: 16-25 (n=40); 25-35 (n=16); 35-45 (n=23); >45 (n=12); VO2max: <45 VO2max (n=43); >45 VO2max (n=48)). All groups showed a similar linear adjustment.
