RNPC3 and pericardial effusion: However, for SLE‐associated PAH, several risk factors for PAH have been identified, consisting of longer disease duration of SLE, the presence of interstitial lung disease, the absence of skin rash, the presence of pericardial effusion, the presence of anti‐RNP or anti‐SSA antibodies, low disease activity, low ESR and elevated uric acid.21