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Table 3 Effect of CPC pretreatment on the performance of Xpert MTB/RIF

From: Preservation of sputum samples with cetylpyridinium chloride (CPC) for tuberculosis cultures and Xpert MTB/RIF in a low-income country

Culture grading (WHO)

Xpert-positive

Xpert-negative

n

Contaminated

3

0

Negative

4

2

Positive

90

1

 < 20 colonies

5

0

 1+

14

0

 2+

30

0

 3+

41

1

Total

97

3

  1. Xpert tests results of 100 samples treated with CPC
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BMC Infectious Diseases

ISSN: 1471-2334

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