13 Risk Factors for RA-associated Interstitial Lung Disease (ILD) ILD is the most widespread and fatal pulmonary complication of rheumatoid arthritis (RA). A recent metanalysis shows the pooled prevalence of RA-ILD was approximately 18.7%. https://t.co/x1YFv0ZlL9 https://t.co/XGeilz2tus