Variables | Males N=14 Mean (SD) | Females N=15 Mean (SD) |
Age, years | 27.6 (6.4) | 22.8 (6.8) |
Height, cm | 182.2 (6.6) | 167.0 (4.5) |
Weight, kg | 77.7 (9.6) | 58.4 (5.5) |
BMI | 23.4 (2.2) | 20.9 (2.0) |
FVC, z-score | 0.86 (0.81) | 0.24 (0.75) |
FEV1, z-score | 0.26 (0.88) | −0.16 (0.48) |
Peak respiratory rate, breaths/min | 56 (9.2) | 51 (8.7) |
Peak heart rate, beats/min | 183 (8.8) | 185 (0.5) |
Peak RER, units | 1.19 (0.06) | 1.21 (0.04) |
Running distance, m | 1258 (179.7) | 1058 (114.0) |
Running time, min | 14.2 (1.2) | 12.8 (0.8) |
Peak VO2, mL/kg/min | 58.9 (5.9) | 52.0 (4.1) |
Peak VE, L/min | 173.9 (12.2) | 107.8 (11.1) |
Peak breathing reserve, % | −5 (11.7) | 8 (10.0) |
Speed at peak VO2, m/s | 2.54 (0.22) | 2.30 (0.12) |
Breathing reserve is the percentage difference between maximal voluntary ventilation (FEV1×35) and peak minute ventilation.
BMI, body mass index; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; RER, respiratory exchange ratio; VE, minute ventilation; VO2, oxygen consumption.