Table 3.
In 10 of 17 false negative samples, microscopy and the RPAG assay both tested negative, indicating a higher limit-of-detection than the PCR assay
| False negative | RPAG assay | Microscopy | PCR | Composite gold standard |
|---|---|---|---|---|
| FN-01 | − | + | + | + |
| FN-02 | − | + | + | + |
| FN-03 | − | + | + | + |
| FN-04 | − | + | + | + |
| FN-05 | − | + | + | + |
| FN-06 | − | + | + | + |
| FN-07 | − | + | − | + |
| FN-08 | − | − | + | + |
| FN-09 | − | − | + | + |
| FN-10 | − | − | + | + |
| FN-11 | − | − | + | + |
| FN-12 | − | − | + | + |
| FN-13 | − | − | + | + |
| FN-14 | − | − | + | + |
| FN-15 | − | − | + | + |
| FN-16 | − | − | + | + |
| FN-17 | − | − | + | + |
RPAG = recombinase polymerase amplification-based Giardia; PCR = polymerase chain reaction.