Helicobacter pylori Mutations Conferring Resistance to Fluoroquinolones and Clarithromycin among Dyspeptic Patients Attending a Tertiary Hospital, Tanzania

Table 2

Patterns of mutation among 77 patients/samples with point mutations.

Antibiotic tested	Tested samples	Mutation type	All point mutations identified	Heterozygote H. pylori; strains	Homozygote; H. pylori; strains
Fluoroquinolones	131	N87I	20	5/20	15/20
		N87K	7	3/7	4/7
		D91G	8	2/8	6/8
		D91N	15	1/15	14/15
		D91Y	11	1/11	10/11
		A92T	16	2/16	14/16

Unknown mutation