Table 2.

Sensitivity and Specificity of HerpeSelect ® and Kalon^™ compared with Western blot as a gold standard (see example of detailed calculations in Appendix I)

	Sensitivity % (95% CI)	Specificity % (95% CI)	Correctly classified %
Standard testing
HerpeSelect ® >1.1	98 (95–100)	61 (48–74)	80
Kalon™ >1.1	89 (83–94)	85 (61–100)	80
Modified cut-off value
HerpeSelect ® ≥3.5	94 (89–100)	87 (67–100)	85
HerpeSelect ® ≥3.3	96 (92–100.)	87 (67–100)	86
Kalon™ ≥1.0	92 (87–97)	75 (49–100.)	83

CI, Confidence Interval