Characteristics n median [interquartile] | Healthy men n = 63 | Inactive men n = 31 | Trained men n = 32 | P value # |
---|---|---|---|---|
Age, years | 38 [27; 47] | 37 [29; 48] | 39 [25; 46] | 0.574 |
Height, cm | 179 [173; 185] | 177 [171; 183] | 180 [178; 186] | 0.038 |
Haemoglobin, g/dL | 14.4 [13.7; 15.0] | 14.4 [13.7; 15.4] | 14.3 [13.7; 14.5] | 0.397 |
Physical activity assessment | ||||
Sport practice, hours/week | 4.0 [0.0; 8.0] | 0.0 [0.0; 0.0] | 7.0 [5.0; 10.0] | <0.001 |
Vigorous-intensity domain, MET-min/week | 1200 [0; 3840] | 0 [0; 80] | 3840 [2880; 6300] | <0.001 |
Total IPAQ score, MET-min/week | 3577 [1105; 7482] | 1099 [684; 2739] | 6943 [3909; 9887] | <0.001 |
Resting values | ||||
FEV1,% predicted | 111 [103; 119] | 108 [99; 116] | 113 [105; 122] | 0.137 |
DLCO, mmol/min/kPa | 10.84 [9.52; 11.68] | 10.51 [8.55; 11.19] | 11.29 [10.21; 12.08] | 0.005 |
VC, mL | 95 [82; 104] | 89 [76; 99] | 103 [89; 112] | 0.002 |
DMCO, mmol/min/kPa | 22.53 [21.51; 23.64] | 21.31 [19.80; 22.81] | 23.69 [21.18; 25.67] | 0.019 |
At 50% peak work load | ||||
DLCO, mmol/min/kPa | 13.42 [12.81; 14.05] | 11.90 [10.67; 13.45] | 14.23 [13.08; 16.08] | 0.001 |
VC, mL | 125 [117; 132] | 108 [95; 126] | 129 [110; 153] | 0.025 |
DMCO, mmol/min/kPa | 25.42 [24.31; 26.44] | 23.41 [21.90; 24.92] | 27.33 [25.81; 28.84] | < 0.001 |
At peak exercise | ||||
Exercise duration, min | 640 [589; 721] | 640 [592; 735] | 632 [585; 688] | 0.640 |
mL/kg/min | 2932 [2370; 3600] | 2385 [2068; 2671] | 3468 [3181; 3900] | <0.001 |
% predicted | 95 [80; 108] | 80 [68; 93] | 107 [97; 119] | < 0.001 |