|
Test |
Target |
Sensitivity |
Specificity |
NPV |
PPV |
Turnaround time |
|
EIA |
Toxins A + B |
60% |
98% |
Low |
High |
20-90 min |
|
GDH |
Common antigen |
90% |
50% |
High |
Low |
20-90 min |
|
NAAT (PCR, LAMP) |
Toxin B gene |
90% |
65% |
High |
Low |
90-200 min |
|
GDH, glutamate dehydrogenase; LAMP, loop-mediated isothermal amplification; NAAT, nucleic acid amplification test; NPV, negative predictive value; PCR, polymerase chain reaction; PPV, positive predictive value. | ||||||