An index of the three core data set patient questionnaire measures distinguishes efficacy of active treatment from that of placebo as effectively as the American College of Rheumatology 20% response criteria (ACR20) or the Disease Activity Score (DAS) in a rheumatoid arthritis clinical trial
2011 ◽
Vol 38
(11)
◽
pp. 2362-2368
◽
2020 ◽
Vol 7
(2)
◽
pp. 141-153