title: [Comparative study of diagnostic criteria of rheumatoid arthritis in Chinese patients].
abstract: The ARA 1958 and 1987 revised classification criteria of RA are tested in 111 consecutive patients with RA and 54 cases of non-RA connective tissue diseases from three hospitals of tertiary level in Beijing. Comparing the two criteria, the specificity was the same as 88%, whereas the sensitivity changed from 94% of 1958 criteria to 91% of 1987 criteria. Factors affecting the sensitivity of 1987 criteria were mainly the morning stiffness which became to be more than 1 hour and increasing of number of swelling joints from one to three.
authors.forename: J L
authors.initials: JL
authors.lastname: Yang
authors.forename: N Z
authors.initials: NZ
authors.lastname: Zhang
authors.forename: Y
authors.initials: Y
authors.lastname: Dong
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D002681:China; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D011795:Surveys and Questionnaires