Example


What if an ENT specialist examined your 100 patients, and came up with the following results? Re-calculate and interpret the test statistics for the diagnostic test (remember, the gold standard results will never change).

  Ultrasound (gold standard) Total
  Enlarged (+) Not Enlarged (-)  
Physical Examination      
Enlarged (+) 35 10 45
Not Enlarged (-) 5 50 55
Total 40 60 100
iDevice icon Reflection
Re-calculate and interpret the test statistics for the diagnostic test.