Association of mortality with disease severity in rheumatoid arthritis, independent of comorbidity.


OBJECTIVE To measure the extent to which mortality in rheumatoid arthritis (RA) is associated with disease severity, independent of the presence of coexistent diseases (comorbidity). METHODS We measured disease severity and comorbidity among RA patients attending scheduled appointments at a rheumatology clinic. We used the Duke Severity of Illness… (More)


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