Sensitivity and specificity

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

Definition

Sensitivity

$Sensitivity=TP/(TP+FN)$

Specificity

$Specificity=TN/(TN+FP)$

Notes:

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

See also

• Basics.

External links

• CEBM (ktclearinghouse.ca).