Ann Clin Microbiol 2025;28(3):14. Application of diagnostic algorithms for Clostridioides difficile infection using a GDH/ toxin test for five years from a single center in Korea: a diagnostic accuracy study

Table 2. Comparison between toxin EIA test and C. difficile toxin B PCR (N = 6,119)
 C. difficile toxin B PCR
+
Toxin A/B+31510
5855,209

Sensitivity: 35.0%; Specificity: 99.8%; PPV: 96.9%; NPV: 89.9%
Abbreviations: EIA, enzyme immunoassay; PCR, polymerase chain reaction; PPV, positive predictive value; NPV, negative predictive value.