Comparative Effectiveness of Drug Therapy for Rheumatoid ...

Entire RA cohort generated 156,520 person-yrs of follow-up time, for an average follow-up of 6.3 yrs. During this time, 1970 cases of serious infection occurred, for an incidence rate of 129.1 events per 10 000 person-years. Of these infections, most common event was pneumonia with 1315 cases, for an incidence rate of 83.4 per 10 000 person-years. ................
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