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Table 3 Inter-observer reliability of Simplified 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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0.58 [0.47–0.69] – 72%

0.45 [0.33–0.57] – 63%

0.56 [0.45–0.67] – 71%

0.50 [0.39–0.61] – 67%

0.5 [0.39–0.61] – 67%

SD

 

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0.49 [0.38–0.6] – 66%

0.54 [0.43–0.65] – 69%

0.44 [0.32–0.56] – 63%

0.44 [0.32–0.56] – 63%

GM

  

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0.46 [0.34–0.58] – 64%

0.45 [0.33–0.57] – 63%

0.38 [0.26–0.50] -59%

MSO

   

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0.48 [0.37–0.59] – 65%

0.49 [0.38–0.60] – 66%

AS

    

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0.48 [0.37–0.59] – 65%

MM

     

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