Results are expressed as mean ± SD. FVC, forced vital capacity; FVC, percentage of predicted FVC; FEV1, forced expiratory volume in one second; FEV1, percentage of predicted VEF1; FEV1/FVC, forced exp
All values expressed as Mean (standard deviation, SD). LAA950insp = Percent Low attenuation area below −950 HU at end inspiration. LAA856exp = Percent Low attenuation area below −856 HU at end expirat