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. 2022 Jan 3;117:16–22. doi: 10.1016/j.clinbiochem.2021.12.012

Table 1.

Assay agreement between plasma and DBS samples.

Dilution Factor DBS COV2T DBS sCOVG
Agreement1 Agreement2
Neat 9/9 3 10/10
1:2 10/10 10/10
1:4 10/10 10/10
1:8 9/9 3 10/10
1:16 10/10 9/10
TOTAL 48/48 (100%, 90.8–100) 49/50 (98.0%, 88.0–99.9)
1

Positive DBS COV2T signal is ≥ 0.56.

2

Positive when DBS sCOVG is ≥ 0.1.

3

Specimen was QNS to repeat after instrument error.