The table below shows results obtained in a new screening test for diabetes. 10,000 people were screened. The cut-off level employed was 180mg of blood glucose per 100 ml. Everyone scoring above this level was classified as positive for diabetes. Everyone scoring below this level was classified as negative for diabetes. These results were compared to a “gold standard” diagnostic test for diabetes that is considered to be completely valid.   Data of screening test and gold standard results   "Gold-Standard" Test   Screening Test Disease No Disease Total    Positive 125 25 150    Negative 375 9475 9820 Total 500 9500 10000

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The table below shows results obtained in a new screening test for diabetes. 10,000 people were screened. The cut-off level employed was 180mg of blood glucose per 100 ml. Everyone scoring above this level was classified as positive for diabetes. Everyone scoring below this level was classified as negative for diabetes. These results were compared to a “gold standard” diagnostic test for diabetes that is considered to be completely valid.

 

Data of screening test and gold standard results

 

"Gold-Standard" Test

 

Screening Test

Disease

No Disease

Total

   Positive

125

25

150

   Negative

375

9475

9820

Total

500

9500

10000

 

 

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