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Two-by-two table used to determine the sensitivity and specificity of the oral fluid ELISA test. TP: true positives; FP: false positives; FN: false negatives; TN: true negatives.
| Sample Type | Reference Serum Positive | Reference Serum Negative | Total Test Results |
|---|---|---|---|
| Oral fluid ELISA test positive | 37 (TP) | 0 (FP) | 37 (total test positives) |
| Oral fluid ELISA test negative | 12 (FN) | 99 (TN) | 111 (total test negatives) |
| Total samples analyzed | 49 | 99 | 148 (total population) |
