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Table 4 Sensitivity and specificity measures in Series II, 6 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 0.8 0.557314 0.933894
Specificity 0.92 0.843855 0.962321
For any particular test result, the probability that it will be:
Positive 0.2 0.134742 0.284927
Negative 0.8 0.715073 0.865258
For any particular positive test result, the probability that it is:
True positive 0.666667 0.446926 0.835734
False positive 0.333333 0.164266 0.553074
For any particular negative test result, the probability that it is:
True negative 0.958333 0.890714 0.986569
False negative 0.041667 0.013431 0.109286