Mortality in rheumatoid arthritis: relationship to single and composite measures of disease activity.

BACKGROUND Rheumatoid arthritis (RA) is a heterogeneous disease characterized by a variable course of remissions and relapses. Single measures of disease activity at only one point in time may not reflect the overall control of disease activity. OBJECTIVE The aim was to determine (i) the predictive value of 20 baseline demographic and disease variables on… CONTINUE READING