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Table 4 Accuracy, defined as classification in the SFR compared with the established gold standard classification

From: Femoral fracture classification in the Swedish Fracture Register – a validity study

  SFR vs GS
  PA Kappa (95% CI)
AO/OTA group (4 signs) 68% 0.65 (0.56–0.73)
AO/OTA type (3 signs) 86% 0.83 (0.75–0.9)
  1. PA percentage of agreement, GS gold standard