Open Access

Table 1

Summary of results in the form of a contingency table [27].

Status of the sample

    Positive Negative
Results of the method to be characterized Positive PA = Positive Agreements = true positives PD = Positive Deviations = false positives
Negative ND = Negative Deviations = false negatives NA = Negative Agreements = true negatives
Summation N+ N−

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