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Table 2 Intra- and inter-observer reliabilities of radiographic measurements

From: Use of iliac crest allograft for Dega pelvic osteotomy in patients with cerebral palsy

Measurements Inter-observer reliability Intra-observer reliability
ICC 95% CI ICC 95% CI
Neck-shaft angle 0.808 0.655–0.894 0.802 0.645–0.894
Migration percentage 0.885 0.740–0.945 0.860 0.723–0.932
Acetabular index 0.817 0.709–0.895 0.833 0.732–0.904
Goldberg score 0.918 0.864–0.954 0.924 0.874–0.958
  1. ICC intraclass correlation coefficient, CI confidence interval