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Table 7 Inter-observer kappa values with upper and lower confidence interval (CI) for proximal humerus fractures, calculated with or without taking “related” fractures into account (intermediate groups)

From: Validity of humerus fracture classification in the Swedish fracture register

  Without intermediate groups With intermediate groups
  Mean kappa value 95% CI Mean kappa value 95% CI
Gold vs SFR 0.577 0.457 – 0.697 0.912 0.850 – 0.974