Sensitivity and specificity

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Sensitvity and specificity are a recurring theme in medicine and pathology.

Definitions

Sensitivity

 

Specificity

 

Notes:

  • TP = true positive.
  • FN = false negative.
  • TN = true negative.
  • FP = false positive.

Memory device:[1]

  • "SpPins and SnNouts" = specific positive test rules in, sensitive negative test rules out.

See also

References

  1. URL: http://ktclearinghouse.ca/cebm/glossary/specsen. Accessed on: 4 May 2011.

External links