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

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

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
Negativea −/−
Negative
Negative
  1. aone sample specimen was invalid