TABLE 1.

Sensitivities and specificities of Aries, Xpress, and Cobas assays

Virus	Assay	Test result/reference standard result				Sensitivity (%) (95%CI)	Specificity (%) (95%CI)	Kappa (95%CI)
		+/+	+/−	−/+	−/−
FluA	Aries	48	1	2	143	96.0 (86.5–98.9)	99.3 (96.2–99.9)	0.96 (0.91–1.0)
	Xpress	50	0	0	144	100.0 (92.9–100)	100.0 (97.4–100)	1.0 (1.0–1.0)
	Cobas	50	0	0	144	100.0 (92.9–100)	100.0 (97.4–100)	1.0 (1.0–1.0)
FluB	Aries	44	1	1	148	97.8 (88.4–99.6)	99.3 (96.3–99.9)	0.97 (0.93–1.0)
	Xpress	44	0	1	149	97.8 (88.4–99.6)	100.0 (97.5–100)	0.99 (0.96–1.0)
	Cobas	45	1	0	148	100.0 (92.1–100)	99.3 (96.3–99.9)	0.99 (0.96–1.0)
RSV	Aries	48	0	1	145	98.0 (89.3–99.6)	100.0 (97.4–100)	0.99 (0.96–1.0)
	Xpress	49	0	0	145	100.0 (92.7–100)	100.0 (97.4–100)	1.0 (1.0–1.0)
	Cobas	49	1	0	144	100.0 (92.7–100)	99.3 (96.2–99.9)	0.99 (0.96–1.0)