Abstract:s201were from all regions of the United States (Northeast, 19.3%; North Central, 15.7%; South, 44.7%; West, 16.1%; Puerto Rico/Virgin Islands, 0.4%); approximately 60% of patients were female and the mean (SD) age was 53.6 (12.0) years. Overall, 6.1% of patients were biologic naive, 41.9% received ≥ 1 prior biologic therapy, and 52.0% had missing information about prior biologic use. Among patients with prior biologic use, 38.6% had 1 reported biologic efficacy failure, 33.8% had 2 efficacy failures, and 27.7%… Show more
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