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Comparison of GeneXpert MTB/RIF Assay and LED-FM Microscopy for the Diagnosis of Extra Pulmonary Tuberculosis in Khyber Pakhtunkhwa, Pakistan

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Specialty Microbiology
Date 2018 May 13
PMID 29752010
Citations 12
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Abstract

GeneXpert is one of the recent technological instruments used to diagnose tuberculosis in a short span of time. In this study, the performance of GeneXpert MTB/RIF assay for the diagnosis of extrapulmonary tuberculosis (EPTB) was compared with light-emitting diode Fluorescent Microscopy (LED-FM) in Khyber Pakhtunkhwa, Pakistan. A total of 737 EPTB samples were collected from tuberculosis (TB) suspected patients. Out of these samples, male to female ratio was 53% (n=390) to 47% (n=347) respectively. The sensitivity and specificity was 73% and 100% for GeneXpert, while 40% and 100% for LED-FM microscopy. This shows that the sensitivity of GeneXpert is 40-50%, higher than LED-FM microscopy. GeneXpert also detected low number of bacilli as compared to LED-FM microscopy.

Citing Articles

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Concordance and discordance of GeneXpert MTB/RIF and conventional culture method for diagnosis of Extra-Pulmonary Tuberculosis at a tertiary care hospital in Pakistan.

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The Value of GeneXpert MTB/RIF for Detection in Tuberculosis: A Bibliometrics-Based Analysis and Review.

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Aggarwal A, Agarwal R, Dhooria S, Prasad K, Sehgal I, Muthu V PLoS One. 2022; 17(7):e0268483.

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