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. Author manuscript; available in PMC: 2014 Jan 3.
Published in final edited form as: J Prim Care Community Health. 2013 May 12;4(4):10.1177/2150131913487561. doi: 10.1177/2150131913487561

Table 3.

Example of Interpreting Beckman/Coulter Hemoccult ICT from Table 2 as Sensitivity and Specificity.

Total Correct Total Incorrect Proportion Correct
Pos Neg Pos Neg Pos Neg
Beckman/Coulter Hemoccult ICT 945 658 17 13 98.2% 98.1%
Is equivalent to
True Results
Positive Negative
Beckman/Coulter Hemoccult ICT Positive 945 13
Negative 17 658

Sensitivity = 98.2%

Specificity = 98.1%