Table 1.

Abbott Alinity m Clinical Concordance with Roche cobas 6800 and Hologic Panther Fusion SARS-CoV-2 Assay.

	Roche cobas 6800			Hologic Panther Fusion
	Positive	Negative	Total	Positive	Negative	Total
Positive	83	0	83	30	0	30	Abbott Alinity m #1
Negative	0	106	106	0	90	90
Total	83	106	189	30	90	120
	Positive	Negative	Total	Positive	Negative	Total
Positive	94	1	95	30	0	30	Abbott Alinity m #2
Negative	0	89	89	0	84	84
Total	94	90	184	30	84	114

The positive percent agreement (PPA) and for both Alinity m instruments was reported at 100% compared to the cobas 6800 SARS-CoV-2 assay. The negative percent agreement (NPA) was determine at 100% and 98.9% for instrument #1 and #2, respectively. In comparison to the Panther Fusion SARS-CoV-2 assay, both PPA and NPA were calculated at 100%. Line-item CN values for all samples on each platform are included in Supplemental Data 1.