Difference between revisions of "Sensitivity and specificity"

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


==Definition==
==Definitions==
===Sensitivity===
===Sensitivity===
<math>Sensitivity = TP/(TP+FN)</math>
<math>Sensitivity = TP/(TP+FN)</math>
Line 13: Line 13:
*TN = true negative.
*TN = true negative.
*FP = false positive.
*FP = false positive.
Memory device:<ref>URL: [http://ktclearinghouse.ca/cebm/glossary/specsen http://ktclearinghouse.ca/cebm/glossary/specsen]. Accessed on: 4 May 2011.</ref>
*"SpPins and SnNouts" = '''sp'''ecific '''p'''ositive test rules '''in''', '''s'''e'''n'''sitive '''n'''egative test rules '''out'''.


==See also==
==See also==
*[[Basics]].
*[[Basics]].
*[[Positive predictive value]].
*[[Negative predictive value]].
==References==
{{Reflist|1}}


==External links==
==External links==

Latest revision as of 14:12, 15 September 2017

Sensitivity 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