Univariate analysis to detect the risk of shorter distance of 6MWT
| OR | 95% CI | p Value | |
|---|---|---|---|
| Age, per 1SD increase | 1.76 | 0.86 to 4.03 | 0.1237 |
| BMI, per 1SD increase | 0.70 | 0.33 to 1.38 | 0.3156 |
| %FEV1, per 1SD increase | 0.31 | 0.10 to 0.75 | 0.0064 |
| IC, per 1SD increase | 0.46 | 0.20 to 0.94 | 0.0317 |
| LVSV, per 1SD increase | 0.15 | 0.03 to 0.45 | 0.0002 |
6MWT, 6 min walk test; BMI, body mass index; %FEV1, per cent predicted FEV1; FEV1, forced expiratory volume in 1 s; IC, inspiratory capacity; LVSV, left ventricular stroke volume.