| BMI | body mass index |
| CEE | Central and Eastern European |
| EMPIRE | European MultiPartner IPF Registry |
| FVC | forced vital capacity |
| GAP | Gender–Age–Physiology index |
| IPF | idiopathic pulmonary fibrosis |
| ISHLT | International Society of Heart and Lung Transplantation |
| LuTX | lung transplantation |
| TLCO | transfer factor of the lung for carbon monoxide |
| UIP | usual interstitial pneumonia |
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