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. 2019 May 8;20:197. doi: 10.1186/s12891-019-2579-z

Table 2.

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

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

The raters classified one fracture as a pathological fracture, making the total number of fractures 117 in Table 2