Infectious Diseases of Poverty

Table 5 Sensitivity, specificity, PPV, NPV, and agreement of the SOE PCR assay compared with GeneXpert MTB/RIF among M. tuberculosis isolates

From: Establishment and evaluation of an overlap extension polymerase chain reaction technique for rapid and efficient detection of drug-resistance in Mycobacterium tuberculosis

Drugs	GeneXpert MTB/RIF	SOE PCR
Drugs	GeneXpert MTB/RIF	R	S	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Concordance (%)	Kappa value
RFP	R	34	0	100.00	100.00	100.00	100.00	100.00	1.00
RFP	S	0	22	100.00	100.00	100.00	100.00	100.00	1.00

S susceptible; R resistant; PPV positive predictive value; NPV negative predictive value; DST drug susceptibility testing; RFP rifampicin

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ISSN: 2049-9957

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