Table 1.

Relationship between the G grading scale and the standard scale of semi-quantifying the band density of the POC-CCA assay

G grading scale	Standard scale equivalent
G1	Negative
G2	Trace
G3	Trace
G4	1+
G5	1+
G6	2+
G7	2+
G8	3+
G9	3+
G10	3+

POC-CCA = point-of-care–circulating cathodic antigen.