TABLE 2.
Sensitivity and specificity of the toxin A and B digital ELISAs as compared to three alternative reference standardsa
| Digital ELISA for toxin: | Sensitivity vs reference standard shown |
Specificity vs reference standard shown |
||||
|---|---|---|---|---|---|---|
| Toxigenic culture | Cytotoxicity assay | NAAT | Toxigenic culture | Cytotoxicity assay | NAATb | |
| A | 75 ± 10.7 | 88 ± 10.9 | 71 ± 11.0 | 95 ± 4.6 | 84 ± 6.9 | 94 ± 4.2 |
| B | 78 ± 10.2 | 100 ± 0.0 | 75 ± 10.5 | 97 ± 3.6 | 87 ± 6.3 | 96 ± 4.2 |
a
Data are presented as % ± 95% CI.
b
NAAT, nucleic acid amplification testing.