#ACR19 abst #2476 Retrospective 2000-18 cohort study on side effects of MTX &TNFi in PSA vs RA: more side effects reported in MTX-PSA (42-46%) compared to MTX-RA pts (26-30%) or PsA or RA pts initiating a TNFi (20-25% of RA and 22-27% of PsA) @DrPetryna https://t.co/Eo3zwDgJMr https://t.co/eaq1gfD1eX