Table 1. Association between minimal inhibitory concentrations levels (MICs) and gyrA nucleotides substitution and types of mutations in gyrA QRDR.

Patients with gyrA mutations in H. pylori n (%)	MIC (μg/mL)	gyrA mutations data
		Nucleotide change	Aminoacid change	gyrA mutation and position
35/80 (43.8)	1–32	AAC → ATC	Asn → Ile	N87I
9/80 (11.3)	2–16	AAC → AAA	Asn → Lys	N87K
1/80 (1.3)	4	AAC → TAT	Asn → Tyr	N87Y
23/80 (28.8)	2–32	GAT → GGT	Asp → Gly	D91G
4/80 (5.0)	1	GAT → AAT	Asp → Asn	D91N
1/80 (1.3)	2	GAT → TAT	Asp →Tyr	D91Y
1/80 (1.3)	1	AAC → TAT GAT → AAT	Asn → Tyr Asp → Asn	N87Y D91N
1/80 (1.3)	32	AAC → ATC GAT → AAT	Asn → Ile Asp → Asn	N87I D91G
4/80 (5)*	1–8	AAC GAT	Asn Asp	No Mutation
1/80 (1.3)*	0.5	AAC → ATC	Asn → Ile	N87I

*conflicting results between genotypic and phenotypic resistant