Fig. 1

Annual trends and changes in RA treatment outcomes from 2011–2020 for each age group. A Annual change of mean DAS28-CRP values, for all patients and for each age group. B Annual change of mean JHAQ scores, for all patients and for each age group. C Annual change of mean EQ5D values, for all patients and for each age group. Abbreviations: DAS28, 28-joint Disease Activity Score; JHAQ, Japan Health Assessment Questionnaire; EQ5D, EuroQol-5 Dimensions questionnaire