Table 2 Intraoperative findings in 126 patients (185 hips)

Synovitis: No Synovitis, Hip^a

 Stage I

19: 24

 Stage II

52: 31

 Stage III

28: 0

Synovitis Severity, Hip (%)

 Grade I

86 (46)

 Grade II

67 (36)

Cartilage Lesion of Femoral Head, Hip (%)

 Grade I

22 (11)

 Grade II

29 (16)

 Stage II^a

23 (12)

 Stage III^a

28 (15)

Acetabular Cartilage Lesion, Hip (%)

51 (27)