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Table 2 Inter-observer reliability of AO/OTA Classification. K Value [95% CI] - %Agreement

From: Femoral neck fracture: the reliability of radiologic classifications

 

GC

SD

GM

MSO

AS

MM

GC

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0.42 [0.33–0.52] -51%

0.37 [0.28–0.46] – 46%

0.32 [0.23–0.42] – 42%

0.25 [0.16–0.34] – 36%

0.38 [0.28–0.47] – 47%

SD

 

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0.39 [0.29–0.48] – 47%

0.27 [0.18–0.36] – 37%

0.2 [0.11–0.29] – 31%

0.29 [0.2–0.38] – 39%

GM

  

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0.37 [0.28–0.46] – 46%

0.24 [0.15–0.33] – 35%

0.26 [0.17–0.35] – 37%

MSO

   

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0.21 [0.12–0.29] – 32%

0.35 [0.25–0.44] – 44%

AS

    

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0.22 [0.13–0.31] – 33%

MM

     

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