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Table 3 Sensitivity and specificity measures in Series II, 3 months (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

0.7

0.456

0.871

Specificity

0.95

0.881

0.981

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

 

0.158

0.100

0.238

Negative

0.841

0.7612

0.899

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

True positive

0.736

0.485

0.898

False positive

0.2631

0.101

0.514

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

True negative

0.940

0.870

0.975

False negative

0.059

0.024

0.129