Table 2.

Performance of deletion assays in saliva.

		Whole Genome Sequencing Result		Assay Clinical Analysis
	Screening Assay Result	Reference	Deletion	% Accuracy	% Clinical Sensitivity	% Clinical Specificity	% PPV	% NPV
SΔ69-70	Reference	179	0	93.60	94.82	100.0	100.0	98.35
	Deletion	3	55
	Inconclusive	11	2
ORF1aΔ3675-3677	Reference	104	0	68.00	95.65	100.0	100.0	97.19
	Deletion	3	66
	Inconclusive	14	63