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Table 2 Resistance patterns among the 153 H. pylori isolates

From: Antibiotic resistance patterns of Helicobacter pylori strains isolated from the Tibet Autonomous Region, China

Resistance patterns

n (%)

None resistance

3 (2.0)

Mono resistance

 CLR

1 (0.6)

 LEV

2 (1.3)

 MTZ

20 (13.1)

 RIF

5 (3.3%)

Dual resistance

 CLR + RIF

3 (1.9%)

 CLR + MTZ

1 (0.6%)

 CLR + LEV

1 (0.6%)

 LEV + MTZ

6 (3.9%)

 LEV + RIF

4 (2.6%)

 MTZ + RIF

51 (33.3%)

 MTZ + FZD

1 (0.6%)

 AML + RIF

1 (0.6%)

Triple resistance

 CLR + LEV + MTZ

4 (2.6%)

 MTZ + AML + RIF

5 (3.3%)

 LEV + MTZ + RIF

7 (4.6%)

 CLR + MTZ + RIF

10 (6.5%)

 CLR + MTZ + AML

1 (0.6%)

 CLR + LEV + RIF

1 (0.6%)

Quadruple resistance

 CLR + LEV + MTZ + RIF

9 (5.9%)

 CLR + LEV + MTZ + AML

1 (0.6%)

 LEV + MTZ + AML + RIF

5 (3.3%)

 CLR + MTZ + AML + RIF

3 (1.9%)

 CLR + LEV + MTZ + AML

1 (0.6%)

Quintuple resistance

 CLR + LEV + MTZ + AML + RIF

7 (4.6%)

  1. CLR Clarithromycin, LEV Levofloxacin, MTZ Metronidazole, AML Amoxicillin, TET Tetracycline, RIF, Rifampicin, FZD Furazolidone