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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

 

Accuracy

 

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