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Table 2 Graf classification of the 203 hips and their treatment outcomes

From: Tübingen hip flexion splints for developmental dysplasia of the hip in infants aged 0–6 months

Graf classificationSuccessful treatment (n = 165)Failed treatment (n = 38)p-value
IIc (%)79 (47.9)2 (5.3)< 0.001
D (%)46 (27.9)4 (10.5)0.035
III (%)29 (17.6)6 (15.8)1
IV (%)11 (6.7)26 (68.4)< 0.001