#ClinicalPearl What lasts longer/⬆️retention in sero+ RA: Abatacept or TNFi or JAKi? #ACR21 abst#0463 @RheumNow Adjusting for confounding incl line of Rx / past bio Rx, #abatacept wins. But data not stratified for bio naive or exposed. Not sure if that would alter results https://t.co/1dEQncwPQF