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Table 2 Detection by algorithm of potential trial participants compared to detection by two independent clinicians.

From: The Health Informatics Trial Enhancement Project (HITE): Using routinely collected primary care data to identify potential participants for a depression trial

Test characteristic Clinician 1 Clinician 2
True Positives 87 81
False negatives 1 7
False Positives 0 3
True negatives 80 77
N 168 168
Sensitivity 0.92 0.99
Specificity 0.96 1.0
Positive predictive value 0.96 1.0
Negative predictive value 0.92 0.99