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Table 2 Sensitivity and specificity measures in Series I (both dogs together)

From: Cancer odor in the blood of ovarian cancer patients: a retrospective study of detection by dogs during treatment, 3 and 6 months afterward

 

Estimate

     95% CI

  

Lower

Upper

Sensitivity

0.976

0.908

0.995

Specificity

0.995

0.980

0.999

For any particular test result, the probability that it will be:

Positive

0.166

0.135

0.202

Negative

0.833

0.797

0.864

For any particular positive test result, the probability that it is:

True positive

0.976

0.908

0.995

False positive

0.023

0.004

0.091

For any particular negative test result, the probability that it is:

True negative

0.995

0.980

0.999

False negative

0.004

0.000

0.0190