摘要: We thank Dr. Kirwan for his usual thoughtful and imaginative observations. Considerable variation is also seen beyond physician global assessment in all rheumatoid arthritis (RA) core data set measures. Swollen tender joint counts performed by a health professional vary widely1–4. Patient questionnaire scores physical function, pain, status, fatigue their ratios different patients5,6, with patterns according to ethnic group7, indicating that patient perceptions may considerably. Indeed, the have been suggested provide clues recognition of somatization5,6. All measurement indeed associated error variation. Our report … Address reprint requests Pincus; E-mail: tedpincus{at}gmail.com