Table 1. Comparison between GDH test and C. difficile culture (N = 6,641)

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 1. Comparison between GDH test and C. difficile culture (N = 6,641)

		C. difficile culture
		Growth	No growth
GDH	+	933	71
GDH	−	279	5,358

Sensitivity: 77.0%; Specificity: 98.7%; PPV: 92.9%; NPV: 95.1%
Abbreviations: GDH, glutamate dehydrogenase; PPV, positive predictive value; NPV, negative predictive value.