Table 1 Comparison of demographic data between osteochondral and chondral lesions

Age at surgery, years

32.25 ± 11.06

37.30 ± 10.77

0.056

Sex

 Male

17 (70.83%)

31 (50.00%)

0.081

 Female

7 (29.17%)

31 (50.00%)

BMI, kg/m²

26.43

29.17

0.006*

Laterality

 Right

15 (62.50%)

26 (41.94%)

0.098

 Left

9 (37.50%)

36 (58.06%)

Etiology

 AVN

2 (8.3%)

 OCD

22 (91.6%)

 Acute trauma

33 (53.2%)

 Focal DJD

27 (43.6%)

 Chondromalacia patella

1 (1.6%)

 Chondromalacia trochlea

1 (1.6%)

Grade

 2

–

1 (1.66%)

 3

2 (9.52%)

10 (16.66%)

 4

19 (90.48%)

49 (81.66%)

Mean

3.90

3.80

0.234