Table 9

180 day follow-up CT potential covariate*

Variable

180 Day HRCT at TLC

Baseline and 180 Day HRCT at TLC

Baseline and 180 Day HRCT at RV

Target Lobe Atelectasis Score^†

X

X

Lobar Exclusion^†† (yes/no)

X

*These potential covariates apply only to the treatment arm and do not have a control arm subset.

^†Atelectasis Score is a continuous variable from 0 to 100% and is defined as the % volume change in the target lobe from baseline to 180 day follow-up.

^††Lobar Exclusion will be determined by the core lab radiologists and is defined as all airways into the target lobe are occluded by valves at day 180.

Strange et al. BMC Pulmonary Medicine 2007 7:10   doi:10.1186/1471-2466-7-10