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Clinical tests Proof of disease (i.e., surgery) Disease present Disease not present Positive clinical test TP (32) FP (4) Negative clinical test FN (1) TN (8) -
Sensitivity = TP/TP + FN
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Specificity = TN/TN + FP
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Positive predicative value = TP/TP + FP
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Negative predicative value = TN/TN + FN
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