From: Primary resistance to clarithromycin, metronidazole and amoxicillin of Helicobacter pylori isolated from Tunisian patients with peptic ulcers and gastritis: a prospective multicentre study
NPU
PU
Total
Clarithromycin resistance
32 (76.2%)**
10 (23.8%)**
42
Metronidazole resistance
96 (68.6%)**
44 (31.4%)**
140