Residual volume/total lung capacity ratio confers limited additive significance to lung clearance index for assessment of adults with bronchiectasis.
Wei-Jie GuanJing-Jing YuanYan HuangHui-Min LiRong-Chang ChenNan-Shan ZhongPublished in: PloS one (2017)
LCI is superior to RV/TLC for bronchiectasis assessment. Normalization with RV/TLC is not required. Stratification of LCI and RV/TLC is not associated with significantly different bronchodilator responses.