Table 1.

Demographic characteristics, radiographic osteoarthritis (OA) status, and CEMRI-based synovitis grades of the study subjects.

Total No. SubjectsN = 404
Age, yrs, mean ± SD58.8 ± 7.0
BMI, kg/m2, mean ± SD29.6 ± 4.9
Sex, women, n (%)184 (45.5)
Kellgren-Lawrence grade
  0 or 1318 (78.7%)
  241
  337
  48
  ≥ 286 (11.3%)
Max synovitis score on CEMRI, n (%)
  0106 (26.2)
  1135 (33.4)
  2163 (40.4)
Presence of cartilage damage (WORMS grade ≥ 2)n = 342
  < 4 subregions117
  ≥ 4 subregions225
  < 6 subregions208
  ≥ 6 subregions134
Max meniscal grade in any subregionn = 343
  0208
  120
  254
  ≥ 361
  • CEMRI: contrast-enhanced magnetic resonance imaging; BMI: body mass index; WORMS: Whole Organ Magnetic Resonance Imaging Score.