Table 1 Characteristics of the study sample

Age, mean (SD) [range] years

54.4 (8.8) [40–73]

Female [n (%)]

61 (57.5%)

Right knees [n (%)]

58 (54.7%)

Body mass index, mean (SD) (kg/m²)

24.3 (3.4)

 Grade 0 [n (%)]

26 (24.5%)

 Grade 1 [n (%)]

38 (35.8%)

 Grade 2 [n (%)]

33 (31.1%)

 Grade 3 [n (%)]

9 (8.6%)

Medial meniscal anterior horn height, mean (SD) (mm)

5.8 (1.2)

Lateral meniscal anterior horn height, mean (SD) (mm)

4.3 (1.0)

Lateral meniscal posterior horn height, mean (SD) (mm)

6.4 (1.1)