Ritux (OR 2.2), ABA (OR 1.3), JAKi (OR 1.3) significantly increase risk of cancer vs. TNFi Cohort of 37000+ RA pts starting bio/tsDMARDs (379 incident cancers) True biologic effect or confounding by indication in a generally more comorbid population? @RheumNow #ACR23 ABST1678 https://t.co/suj6mVBEC0