Table 1 |
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Two-by-two table for study results |
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| Gold Standard |
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| S+ |
S- |
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| Clinical Test |
T+ |
a = True Positive |
b = False Positive |
| T- |
c = False Negative |
d = True Negative |
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| Total |
a+c |
b+d |
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1.1 sensitivity = P(T+|S+) =
1.2 specificity = P(T - |S-) =
1.3 Positive Likelihood Ratio = PLR =
1.4 Negative Likelihood Ratio = NLR =
Error terms for the study population: α = false positive rate = fpr =
β = false negative rate = fnr =
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Linn and Grunau Epidemiologic Perspectives & Innovations 2006 3:11 doi:10.1186/1742-5573-3-11 |
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