Poor Performance of the Chlamydia Rapid Test Device for the Detection of Asymptomatic Infections in South African Men: A Pilot Study

Table 1

Overall diagnostic performance of the Chlamydia Rapid Test Device when compared to the BD ProbeTec ET SDA assay.

	Negative	Positive	Total	Sensitivity; % (95% CI)	Specificity; % (95% CI)	PPV; % (95% CI)	NPV; % (95% CI)
Chlamydia Rapid Test Device				20% (3.7–62.2)	100% (96.0–100)	100% (15.8–100)	91.8 (84–95.9)
Negative	90	8	98
Positive	0	2	2
Total	90	10

One sided 97.5% confidence interval.