TABLE 1.
Performance of OSOM Trich for the detection of T. vaginalis
| Result by OSOM Tricha | Result by CPSb
|
Total | |
|---|---|---|---|
| Positive | Negative | ||
| Positive | 18 | 0 | 18 |
| Negative | 1 | 990 | 991 |
| Total | 19 | 990 | 1,009 |
a
Sensitivity, 18/19 (94.7%); specificity, 990/990 (100%); positive predictive value, 19/19 (100%); negative predictive value, 990/991 (99.9%); and efficiency, 1,008/1,009 (99.9%).
b
For the CPS, true positives were defined as those that were positive by Aptima and either WP slide exam or the OSOM Trich test.