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. 2002;26(5):271-3.
doi: 10.1007/s00264-002-0369-x. Epub 2002 Jun 8.

Low agreement among 24 doctors using the Neer-classification; only moderate agreement on displacement, even between specialists

S Brorson  1 , J Bagger, A Sylvest, A Hróbjartsson
Affiliations

Low agreement among 24 doctors using the Neer-classification; only moderate agreement on displacement, even between specialists

S Brorson et al. Int Orthop. 2002.

Abstract
in English, French

Twenty-four orthopaedic surgeons classified 42 pairs of radiographs according to the Neer system for proximal humeral fractures. Mean kappa value for inter-observer agreement was 0.27 (95% CI 0.26-0.28) with no clinically significant difference between orthopaedic residents ( n=9), fellows ( n=6) and specialists ( n=9). Mean kappa for agreement of displacement versus non-displacement was 0.41 (95% CI 0.39-0.43) overall, and 0.50 (95% CI 0.45-0.56) within the specialist group. The agreement found in our study is unsatisfactory from a clinical perspective.

24 chirurgiens orthopédistes ont classé 42 paires de radiographies selon la classification de Neer pour les fractures humérales proximales. La valeur moyenne du kappa pour l'accord inter-observateur était 0.27 (95% CI 0.26–0.28) sans différence significative entre résidents (n=9), chirurgiens juniors (n=6) et chirurgiens spécialistes (n=9). La valeur moyenne du kappa pour l'accord sur le critère déplacement ou non-déplacement était globalement 0.41 (95% CI 0.39–0.43), et, dans le groupe spécialiste 0.50 (95% CI 0.45–0.56). Dans une perspective clinique l'accord trouvé dans notre étude est peu satisfaisant.

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