Reliability of the AO/ASIF classification for pertrochanteric femoral fractures

@article{Schipper2001ReliabilityOT,
  title={Reliability of the AO/ASIF classification for pertrochanteric femoral fractures},
  author={I. Schipper and E. Steyerberg and R. Castelein and A. V. Vugt},
  journal={Acta Orthopaedica Scandinavica},
  year={2001},
  volume={72},
  pages={36 - 41}
}
20 radiographs of pertrochanteric femoral fractures were classified as to fracture "group" and "subgroup" according to the AO/ASIF Fracture Classification (type 31A) by 15 observers. 3 months later, the same radiographs were reviewed by the same observers. Mean agreement of the observers with the final consensus ranged from 53% (with subgroup classification) to 81% (without subgroup). The mean kappa value for interobserver reliability was 0.33 and 0.34 for classification with subgroup in both… Expand
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