TABLE 2.

Comparison of provider-collected NP swabs, patient-collected MT swabs, and patient-collected saliva specimens to consensus results among three specimen types tested for SARS-CoV-2 RNA by real-time PCR

Sample type and SARS-CoV-2 result	No. of specimens with a consensus SARS-CoV-2 result of:
	Detected	Indeterminate	Undetected
NP swab
Detected	30	0	2a
Indeterminate	0	0	1b
Undetected	1c	0	247
MT swab
Detected	30	0	2d
Indeterminate	0	0	0
Undetected	1e	0	248
Saliva specimen
Detected	29	0	1f
Indeterminate	2g	0	2h
Undetected	0	0	247

^aBoth samples repeated as detected (i.e., positive) in the NP swab and undetected (i.e., negative) in both the MT swab and saliva specimen. Both NP swabs had an initial Cp value of 35.0, suggesting that a low level of SARS-CoV-2 RNA was present in these specimens.

^bThis sample repeated as indeterminate in the NP swab and undetected in the MT swab and saliva specimens.

^cThis sample repeated as detected in all three specimen types.

^dBoth of these samples repeated as undetected in all three specimen types. Both MT swabs had an initial Cp value of 35.0, suggesting that a low level of SARS-CoV-2 RNA was present in these specimens.

^eThis sample repeated as detected in all three sample types.

^fThis sample repeated as undetected in both the NP and MT swabs and indeterminate in the saliva specimen. The saliva specimen had an initial Cp value of 35.0, suggesting that a low level of SARS-CoV-2 RNA was present in this specimen.

^gOne of these samples repeated as detected in all three specimen types, while the second sample repeated as detected in the NP and MT swabs and indeterminate in the saliva specimen.

^hOne sample repeated as undetected in all three specimen types. The second sample repeated as undetected in the NP and MT swabs and detected in the saliva specimen.