. 2019 Feb 3;9(2):e026888. doi: 10.1136/bmjopen-2018-026888

Table 1.

Evaluation of the Xpert CT/NG and OSOM TV against the Anyplex II STI-7 Detection and FTD STD9 assays (n=247)

POC assay		Anyplex II STI-7 Detection +/- FTD STD9		Accuracy with 95% CI
POC assay		Positive	Negative	Accuracy with 95% CI
Xpert CT	Positive	37	5	Sensitivity=100% (100% to 100%) Specificity=97.6% (95.6% to 99.7%) PPV=88.1% (78.3% to 97.9%) NPV=100% (100% to 100%)
Xpert CT	Negative	0	205
Xpert NG	Positive	12	0	Sensitivity=100% (100% to 100%) Specificity=100% (100% to 100%) PPV=100% (100% to 100%) NPV=100% (100% to 100%)
Xpert NG	Negative	0	235
OSOM TV	Positive	6	0	Sensitivity=75.0% (45.0% to 100%) Specificity=100% (100% to 100%) PPV=100% (100% to 100%) NPV=99.2% (98.0% to 100%)
OSOM TV	Negative	2	239

FTD, Fast Track Diagnostics; NG, Neisseria gonorrhoeae; POC, Point-of-care; TV, Trichomonas vaginalis.