From: Primary resistance to clarithromycin, metronidazole and amoxicillin of Helicobacter pylori isolated from Tunisian patients with peptic ulcers and gastritis: a prospective multicentre study
Tunis
(N = 181)
Menzel Bourguiba
(N = 83)
Mahdia
(N = 9)
Total
(N = 273)
Clarithromycin resistance
27**
12**
3
42
Metronidazole resistance
95**
42**
140