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Table 3 The breakdown of results of other GeneXpert tests (if patients have been tested more than once)

From: False Negative Results in Clostridium difficile Testing

Number of patients

Test description

First test negative

First test positive

16

Patients tested only once

16

0

16

Patients Tested Negative on other occasions

16

0

8

Patients Tested Positive on other occasions

4

4

8

Patients Tested both Positive and Negative on other occasions

3

5

  1. GeneXpert negative/ Culture positive (50 samples from 48 patients or 2.2 % of total testing volume)