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Table 1 Association between clarithromycin MICs and 23S rRNA mutations

From: Mutations in the 23S rRNA gene are associated with clarithromycin resistance in Helicobacter pylori isolates in Brazil

Mutation

No. of strains (%)

Total (%) (n = 52)

 

MIC < 64 μg ml -1

MIC ≥64 μg ml -1

 

A2142G

12 (63.2)

31 (91.1)

43 (82.7)

A2143G

5 (26.3)

1 (4.45)

6 (11.5)

T2245C

2 (10.5)

1 (4.45)

3 (5.8)