Table 3.

Microarray chip detection of mutations in Mycobacterium tuberculosis rpoB-RRDR relevant mutation sites for the 57 samples

Codon mutation	Nucleic acid change	No. of strains	Frequency (%)
Ser531Leu	TCG → TTG	30	52.6
His526Tyr	CAC → TAC	7	12.3
His526Leu	CAC → CTC	2	3.5
Leu511Pro	CTG → CCG	5	8.8
Asp516Val	GAC → GTC	2	3.5
Asp516Tyr	GAC → TAC	3	5.3
Asp516Gly	GAC → GGC	2	3.5
Gln513Lys	CAA → AAA	1	1.8
Leu533Pro	CTG → CCG	3	5.3
Ser531LeuLeu511Pro	TCG → TTG CTG → CCG	1	1.8
Asp516TyrGln513LeuLeu511Pro	GAC → TAC CAA → CCA CTG → CCG	1	1.8
Total		57