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Table 2 Clinical correlation of the positive nucleic acid amplification test (NAAT) results in 2014 in the 4 laboratories that introduced NAATs as a second- or third-line test

From: Impact of the introduction of a nucleic acid amplification test for Clostridium difficile diagnosis on stool rejection policies

Laboratory

Number of positive NAAT results

Number of patients

Chart review in favor of CDI

A

10

9

9 (100.0%)

B

46

41

39 (95.1%)

C

20

15

14 (93.3%)

D

14

8

8 (100.0%)

Total

90

73

70 (95.8%)

  1. The chart review was based on the clinical definition of C. difficile infection in the ESCMID recommendations [1]