Table 3.
(A) Multivariate analysis for low vs high 6MWD. (B) Multivariate analysis for the presence of desaturations
| OR estimates | |||
|---|---|---|---|
| Effect | Point estimate | 95% Wald confidence limits | |
| A | |||
| Age/10 years | 1.953 | 1.510 | 2.527 |
| FVC/10% pred | 0.794 | 0.707 | 0.890 |
| mMRC | 1.954 | 1.541 | 2.477 |
| SpO2 at rest | 0.857 | 0.787 | 0.933 |
| B | |||
| Age/10 years | 0.661 | 0.507 | 0.861 |
| Obesity yes vs no | 0.457 | 0.242 | 0.864 |
| Hypertension yes vs no | 1.690 | 1.020 | 2.800 |
| FEV1/10% pred | 0.674 | 0.590 | 0.770 |
| SpO2 at rest | 0.701 | 0.632 | 0.778 |
Abbreviations: 6MWD, 6-min walking distance; mMRC, modified Medical Research Council scale for dyspnea; SpO2, transcutaneous oxygen saturation.