A group of older patients w/ multimorbidity (5+) drives higher mortality risk in RA. Crowson et al. stratification 4 clusters. Each cluster = different outcome, younger cluster w/ few comorbidities = no > mortality https://t.co/IYccicjcyy Abstr #0246 #ACR22 @Rheumnow #ACRBest https://t.co/ee9sgG3g0l