Clostridium difficile stool shedding in infants hospitalized in two neonatal intensive care units is lower than previous point prevalence estimates using molecular diagnostic methods

Table 2 NICU stool samples positive for C. difficile by one or more modalities

Number of samples (n)	EIA GDH/toxin A/B	LAMP technology	Duplex PCR (tpi/tcdB)	Cytotoxicity assay
2	−/− Negative	Not done	+/− Nontoxigenic C. difficile	Negative
4	+/+ Toxigenic C. difficile	Positive	+/+ Toxigenic C. difficile	Positive
2	+/+ Toxigenic C. difficile	Positive	+/+ Toxigenic C. difficile	Negative
7	+/− Presumptive Nontoxigenic C. difficile	Negative^a	−/− Negative	Negative

ISSN: 1471-2431