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Table 4 Accuracy, defined as the agreement between the classification in the SFR compared with the gold standard classification regarding distal radial fractures. As presented in Fig. 1, the AO/OTA group includes the 23A2 subgroups

From: Validity of classification of distal radial fractures in the Swedish fracture register

  Accuracy
PA Kappa
(95% CI)
AO/OTA group, including A2 subgroup
(4–5 signs)
50% 0.41
(0.31–0.51)
AO/OTA type
(3 signs)
70% 0.48
(0.36–0.61)
  1. PA Percentage of agreement, GS Gold standard classification