Table 5.
Variables | ≥2.0 METs | ≥2.5 METs | ≥3.0 METs | ≥3.5 METs | ≥3.0 METs⋅hr |
---|---|---|---|---|---|
VC | −0.170 | −0.102 | −0.020 | 0.277 | −0.003 |
IC | −0.130 | 0.118 | 0.071 | −0.031 | 0.081 |
FVC | 0.072 | 0.079 | 0.114 | 0.153 | 0.166 |
FEV1 | −0.116 | 0.117 | 0.283 | 0.302 | 0.319 |
FRC | −0.296 | −0.468a | −0.374 | 0.065 | −0.375 |
RV | 0.062 | −0.130 | −0.209 | 0.059 | −0.235 |
TLC | −0.238 | −0.300 | −0.304 | 0.101 | −0.316 |
DLCO | −0.186 | −0.309 | −0.250 | −0.298 | −0.201 |
ISWT | −0.332 | −0.401 | −0.123 | 0.439 | −0.059 |
Note:
P<0.05.
Abbreviations: PA, physical activity; ISWT, incremental shuttle walking test; METs, metabolic equivalents; METs·hr, METs multiplied by hours; VC, vital capacity; IC, inspiratory capacity; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; FRC, functional residual capacity; RV, residual volume; TLC, total lung capacity; DLCO, pulmonary carbon monoxide diffusing capacity.