OR | p Value | 95% CI | |
---|---|---|---|
MRC dyspnoea grade | 1.86 | 0.09 | 0.92 to 3.76 |
ΔEMGpara%max | 1.12 | 0.005 | 1.03 to 1.21 |
ΔNRDI | 1.003 | 0.014 | 1.001 to 1.006 |
ΔModified Borg scale | 1.23 | 0.10 | 0.96 to 1.57 |
ΔCAT | 0.99 | 0.67 | 0.92 to 1.05 |
ΔRespiratory rate (/min) | 1.01 | 0.87 | 0.89 to 1.15 |
Values are expressed as mean (SD) or median (IQR).
CAT, COPD Assessment Test; EMGpara%max, 1 min mean magnitude of rectified inspiratory parasternal EMG activity normalised to a maximal manoeuvre; MRC, Medical Research Council; NRDI, Neural Respiratory Drive Index.