Correlation of mMRC and Borg score | Correlation Coefficient | P value |
Non adjusted (n = 342) | 0.764 | <0.001 |
Adjusted with age, BMI, FEV1 and % predicted distance in 6 MWT (n = 338) | 0.670 | <0.001 |
Adjusted with age, BMI, FEV1, % predicted distance, TLC, FRC, DLCO, presence of AFO (n = 254) | 0.587 | <0.001 |