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Table 3 Intra- and inter-observer error in normal vs. dysplastic hips

From: How to judge pelvic malposition when assessing acetabular index in children? Three simple parameters can determine acceptability

  Errors/°tp(< 0.05)
Intra-observerNormal0.8 ± 0.2− 2.1220.049
Dysplastic1.0 ± 0.2
Inter-observerNormal1.4 ± 0.3− 0.2060.840
Dysplastic1.4 ± 0.2