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Table 2 Number of fractures for each fracture class according to the gold standard classification

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

  AO/OTA type
AO/OTA group   1 2 3 Total
31A 10 17 7 34
31B 9 1 28 38
31C 0 0 0 0
32A 12 3 2 17
32B 3 4 3 10
32C 0 0 3 3
33A 3 1 2 6
33B 1 2 0 3
33C 2 1 3 6
  1. The raters classified one fracture as a pathological fracture, making the total number of fractures 117 in Table 2