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. 2022 Apr 4;23:319. doi: 10.1186/s12891-022-05277-x

Table 3.

Basic demographic characteristics of patients in validation

Features Rheumatoid arthritis group Osteoarthritis group
(n = 14) (n = 30)
Age (Mean ± SD) 66.3 ± 11.2 67.3 ± 7.3
Gender
  Female (%) 9 (64.3) 16 (53.3)
  Male (%) 5 (35.7) 14 (46.7)
  Disease duration, years (Mean ± SD) 11.4 ± 8.3 6.7 ± 4.7
Surgical site
  Articulatio Coxae (%) 6 (42.9) 5 (16.7)
  Knee-joint (%) 8 (57.1) 25 (83.3)
Radiological imaging
  Degenerative lesions (%) 11 (78.6) 29 (96.7)
  Joint effusion (%) 2 (14.3) 7 (23.3)

SD standard deviation