Table 7.

Pattern of multiple gene mutations observed in MDR TB isolates using Genotype MTBDRplus assay.

Pattern of gene mutations in MDR-TB strains	Number of isolates (%) (n = 28)
rpoB MUT3, rpoB WT8, katG MUT1, katG WT	14 (50)
rpoB MUT3, rpoB WT8, katG WT	1 (3.5)
rpoB WT8, katG MUT1, katG WT	2 (7.1)
rpoB MUT3, inhA MUT1, inhA WT1	1 (3.5)
rpoB WT7, katG WT	1 (3.5)
rpoB WT2, rpoB WT3, katG MUT1, katG WT	1 (3.5)
rpoB WT3, rpoB WT4, katG MUT1, katG WT	1 (3.5)
rpoB MUT1, rpoB WT3, rpoB WT4, katG MUT1, katG WT	5 (17.8)
rpoB MUT1, katG MUT2, katG WT	1 (3.5)
rpoB WT7, katG MUT1, katG WT	1 (3.5)

^*MDR: multi-drug resistant.