|Table 2: Comparison of resistance of H. pylori strains to clarithromycin and levofloxacin between 2006–2008  and 2009–2011.|
|(1)P value (chi-square test) with the Yates correction. P≤ 0.05 was deemed statistically significant.|
(2)CLA: clarithromycin, LEV: levofloxacin.
(3)NS: non significant.
(4)Statistically significant differences between the level of resistance in the years 2006–2008 and 2009–2011.