Fibrosis-4 (FIB-4) Index for Liver Fibrosis is calculated from age, AST, ALT, Plts. Study of 174 RA, PsA, PsO pts on MTX find 11% w/ fibrosis (by elastography). FIB-4 AUC for fibrosis =0.68 (weak). Fibrosis was signif assoc w/ FIB-4 >1.62, DM, obesity, advanced steatosis https://t.co/GYrhs2U1s3