The occurrence of air trapping on chest CTs during the first 12 months after BOS diagnosis according to the prognosis
We compared changes in air trapping percent at each time point during the first 12 months after BOS diagnosis. Detailed description for the calculation and analysis are provided in the online supplement .
Airway resistance and reactance, FeNO, and 6MWT according to prognosis
We compared IOS, FeNO, and 6MWT values upon BOS diagnosis. Detailed description for the analysis are provided in the online supplement .