Fig. 2From: Soluble programmed death molecule 1 (sPD-1) as a predictor of interstitial lung disease in rheumatoid arthritisCorrelation between the serum levels of sPD-1 with the forced vital capacity percent predicted values (FVC%, A), Forced expiratory volume in one second predicted values (FEV1%, B), Total lung capacity predicted values (TLC%, C) and diffusing capacity for carbon monoxide percent predicted values (DLCO%, D) in RA-ILDBack to article page