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. 2016 Jun 9;11:1261–1268. doi: 10.2147/COPD.S94119

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© 2016 Hata et al. This work is published and licensed by Dove Medical Press Limited

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Overall survival in the four groups: Kaplan–Meier curves for OS after surgery.

Notes: The cumulative survivals at 3 years and 5 years were 50.0% and 18.7% in the CPFE group, 76.0% and 67.1% in the emphysema group, 44.4% and 44.4% in the IP group, and 85.9% and 77.5% in the normal group, respectively. Comparing with the CPFE group, there was significant difference in the normal group (P<0.0001, log-rank test) and the emphysema group (P=0.0027, log-rank test).

Abbreviations: OS, overall survival; CPFE, combined pulmonary fibrosis and emphysema; IP, interstitial pneumonia.