Table 1 Patient’s demographic data

Age (years old)

36.4 ± 11.6 (21–77)^d

38.5 ± 9.8 (17–75)^d

0.106^a

Gender (male/female)

8/125

7/119

0.874^b

Body mass index (kg/m²)

23.1 ± 2.5 (18.6––28.4)^d

23.4 ± 2.5 (19.5–30.2)^d

0.325^a

Previous surgical procedures

17 (12.8%)

Open reduction (7)

Pelvic osteotomy (5)

Proximal femoral osteotomy (4)

Hip arthrocopy (1)

15 (11.9%)

Core decompression (5)

Bone graft (5)

Internal fixation (3)

Osteochondral plasty (2)

0.830^b

Follow-up period (month)

45.9 ± 18.9 (18–92)^d

44.8 ± 17.7 (18–96)^d

0.626^a