Fig. 2From: Long-term clinical outcomes following treatment with alpha 1-proteinase inhibitor for COPD associated with alpha-1 antitrypsin deficiency: a look at the evidenceEstimated time to terminal respiratory failure based on data from RAPID/RAPID Extension program. Based on lung volume-adjusted 15th percentile of the lung density. A1-PI, alpha 1-proteinase inhibitorBack to article page