From: Imaging indications and findings in evaluation of lung transplant graft dysfunction and rejection
 | FEV1 | FEV25-75 |
---|---|---|
BOS 0 | > 90% of baseline | > 75% of baseline |
BOS 0-p | 81–90% of baseline | < or = 75% of baseline |
BOS 1 | 66–80% of baseline |  |
BOS 2 | 51–60% of baseline |  |
BOS 3 | < 50% of baseline | Â |