Table 4. Severin criteria for evaluation of radiographic results.
Type I | Normal hips |
---|---|
Type II | Concentric reduction of the joint with deformity of the femoral neck, head or acetabulum |
Type III | Dysplastic hips without subluxation |
Type IV | Subluxation |
Type V | The head articulating with a secondary acetabulum in the upper part of the original acetabulum. |
Type VI | Redislocation. |