Table 1 Patients’ characteristics

Patients

75

Males

54 (72%)

Females

21 (28%)

Age

18.8 (7 – 42)

Site

 Proximal humerus

18 (24%)

 Proximal tibia

17 (22.7%)

 Distal femur

16 (21.3%)

 Talus

6 (8%)

 Femur’s head

4 (5.3%)

 Calcaneus

3 (4%)

 Acromion

3 (4%)

 Trochanteric region

2 (2.7%)

 Distal tibia

2 (2.7%)

 Patella

2 (2.7%)

 Supracetabular region

1 (1.3%)

 Distal humerus

1 (1.3%)

 Secondary ABC component

21 (28%)

 Distal femur

5 (23.8%)

 Proximal tibia

4 (19.1%)

 Proximal humerus

3 (14.3%)

 Talus

3 (14.3%)

 Calcaneus

3 (14.3%)

 Proximal femur

2 (9.6%)

 Patella

1 (4.9%)