Volume 10, Number 3—March 2004
Dispatch
Antibiotic Selection Pressure and Resistance in Streptococcus pneumoniae and Streptococcus pyogenes
Figure 2

Figure 2. A. Relationship between macrolide use in the outpatient setting (horizontal axis) and prevalence of macrolide-resistant Streptococcus pneumoniae (vertical axis) in 16 industrialized countries. A regression line was fitted with 95% confidence bands (r = 0.88; p < 0.001). B. Relationship between macrolide use in the outpatient setting (horizontal axis) and prevalence of macrolide-resistant S. pyogenes (vertical axis) in 14 industrialized countries. A regression line was fitted with 95% confidence bands (r = 0.71; p = 0.004).
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