Table 5. Sensitivity and specificity of MAS-PCR assay and phenotypic drug susceptibility testing for detecting M. tuberculosis resistance to INH among 96 clinical isolates.

MAS-PCR results	Culture results		Sensitivity (%)	Specificity (%)
	No. resistant	No. susceptible
INH mutation Detected	43 (56)	53 (40)	76.7%	71.4%