Characteristics | Data |
---|---|
Number of subjects | 50 |
Age, years | 57.0 (15.1) |
BMI, kg/cm2 | 24.1 (3.9) |
Sex, M/F | 23/27 |
Radiography | |
 K/L grade 0/1/2 | 3/27/20 |
 Femorotibial angle, degrees | 178.4 (2.6) |
 Medial joint space width, mm | 3.7 (0.9) |
Proton density-weighted MRI (MTFJ) | Â |
 WORMS | |
  Cartilage (0–30) | 11.9 (6.8) |
  Osteophyte (0–35) | 4.4 (5.1) |
  Bone marrow lesion (0–15) | 1.0 (1.9) |
  Subchondral bone cyst (0–15) | 2.5 (4.4) |
  Subchondral bone attrition (0–15) | 1.3 (1.5) |
  Medial meniscus lesion (0–6) | 2.2 (1.6) |
 Medial meniscus | |
  MME, mm | 3.0 (1.6) |
  Tears, n | 15 |
  Root tear, n | 0 |
T2 mapping MRI (MTFJ) | Â |
 T2 value of medial meniscus | 22.0 (2.8) |
 Medial femoral osteophyte distance | |
  Bone part + cartilage part, mm | 2.1 (1.4) |
  Bone part, mm | 1.3 (0.9) |
  Cartilage part, mm | 0.8 (0.8) |
 Medial tibial osteophyte distance | |
  Bone part + cartilage part, mm | 3.3 (1.9) |
  Bone part, mm | 1.8 (1.4) |
  Cartilage part, mm | 1.5 (1.5) |
Osteophyte prevalence (MTFJ) | Â |
 Radiograph | 40.0% |
 Proton density-weighted MRI | 48.0% |
  K/L 0 | 0% |
  K/L 1 | 44.4% |
  K/L 2 | 60.0% |
 T2 mapping MRI | 98.0% |
  K/L 0 | 100% |
  K/L 1 | 96.7% |
  K/L 2 | 100% |