TABLE 2.

Device sensitivity using Omicron and non-Omicron variant respiratory samples for three C_T value groups

Test type	CT value	Data for:
		Omicron samples			Non-Omicron samples
		No. of samples:		Sensitivity (95% CI) (%)	No. of samples:		Sensitivity (95% CI) (%)
		Tested	RCAT positive		Tested	RCAT positive
iHealth	Total	89	65	73.0 (62.6–81.9)	31	22	71.0 (52.0–85.8)
	<20	27	27	100.0 (87.2–100.0)	10	9	90.0 (55.5–99.80)
	20–25	36	34	94.4 (81.3–99.3)	12	12	100.0 (73.5–100.0)
	>25	26	4	15.4 (4.4–34.9)	9	1	11.1 (0.3–48.3)
On/Go	Total	89	68	76.4 (66.2–84.8)	31	22	71.0 (52.0–85.8)
	<20	27	27	100.0 (87.2–100.0)	10	9	90.0 (55.5–99.80
	20–25	36	36	100.0 (90.3–100.0)	12	12	100.0 (73.5–100.0)
	>25	26	5	19.2 (6.6–39.4)	9	1	11.1 (0.3–48.3)
BinaxNOW	Total	89	62	69.7 (59.0–79.0)	31	22	71.0 (52.0–85.8)
	<20	27	27	100.0 (87.2–100.0)	10	9	90.0 (55.5–99.80
	20–25	36	33	91.7 (77.5–98.3)	12	11	91.7 (61.5–99.8)
	>25	26	2	7.7 (1.0–25.1)	9	2	22.2 (2.8–60.0)
QuickVue	Total	89	75	84.3 (75.0–91.1)	31	23	74.2 (55.4–88.1)
	<20	27	27	100.0 (87.2–100.0)	10	9	90.0 (55.5–99.8)
	20–25	36	36	100.0 (90.3–100.0)	12	12	100.0 (73.5–100.0)
	>25	26	12	46.2 (26.6–66.6)	9	2	22.2 (2.8–60.0
InBios	Total	89	59	66.3 (55.5–76.0)	31	20	64.5 (45.4–80.8)
	<20	27	27	100.0 (87.2–100.0)	10	9	90.0 (55.5–99.8)
	20–25	36	31	86.1 (70.5–95.3)	12	11	91.7 (61.5–99.8)
	>25	26	1	3.9 (0.1–19.6)	9	0	0.0 (0.0–33.6)