APOC3 and rheumatoid arthritis: In this sense, in the univariable analysis, ANGPTL4 (151 [IQR 90–290] ng/ml vs. 73 [IQR 47–121] ng/ml, p<0.001) and ApoC3 (8.8 ± 5.2 mg/dl vs. 6.2 ± 5.6, p<0.001) were found to be significantly higher in patients with RA.