Skip to main content
. 2021 Dec 30;16(12):e0261956. doi: 10.1371/journal.pone.0261956

Table 2. Outcomes of surveillance testing using pooled saliva.

A) Aggregate results from RT-PCR assays for all saliva samples received. B) Comparison of positivity rates for samples analyzed as pooled or individual samples. C) Results of diagnostic follow-up tests for participants referred due to positive detection of SARS-CoV-2 in saliva.

A) Results Summary Number Percent
Total samples 44,242
Positive 374 0.85%
Not detected 43,626 98.61%
Inconclusive 16 0.04%
Failed 226 0.51%
B) Sample Format Number Positivity: % (SEM)
Pooled 39,714 0.82% (0.08)
Unpooled 4,528 0.83% (0.19)
C) Referral Result Number % of Total Retained
Total 374 353
Positive 308 82.4% 87.3%
Negative 45 12.0% 12.7%
Lost to follow-up 21 5.6%