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Table 1 Top ten ranking criteria based on group means of BSCOS and EPOS

From: The most relevant diagnostic criteria for developmental dysplasia of the hip: a study of British specialists

Rank BSCOS EPOS
1 Ortolani test positive Ortolani test positive
2 Barlow test positive Barlow test positive
3 Asymmetry in abduction ≥20° Dislocatable hip on dynamic ultrasound
4 Dislocatable hip on dynamic ultrasound Asymmetry in abduction ≥20°
5 Abduction limited to 45° α angle <45°
6 Leg-length discrepancy/Galeazzi Femoral head displaced on stress ultrasound
7 Any asymmetry of hip abduction Any asymmetry of hip abduction
8 α angle <45° Breech presentation
9 Femoral head displaced on stress ultrasound Abduction limited to 45°
10 First degree relative treated for DDH Leg-length discrepancy/Galeazzi