Table 2. Identified codon variations in comparison with previously reported studies.

Resistant Type	Gene	Codon variation	Frequency of mutation	Reference
XDR	gyrA	S95T	56.25%	16
		E21Q	37.50%
		G668D	37.50%
		D94G	37.50%
	katG	S315T	50%	17
	accD6	D229G	31.25%	18
	embB	M306I	31.25%	19
MDR	katG	R463L	31.25%	20
	mshA	A187V	31.25%
	embB	E378A	25%	21
	embC	T270I	25%
	accD6	D229G	25%	22
	rpsL	K43R	25%
DR	gyrA	S95T	45%	16
		G668D	35%
		E21Q	30%