Table 2 Interobserver reliability as related to the different radiologic parameters analyzed in the footballers’ hips

Minimum Level

Maximum Level

Lateral center edge angle

0.91

0.90

0.92

Acetabular index

0.89

0.87

0.91

Extrusion index

0.85

0.83

0.88

Cross over sign

0.85

0.82

0.87

Posterior wall sign

0.86

0.84

0.88

Depth of acetabular fossa

0.93

0.90

0.98

Ischial spine sign

0.92

0.89

0.94

Femoral head-neck defomity

0.89

0.87

0.92

Herniation pit

0.97

0.96

0.98

Os acetabuli

0.90

0.86

0.93