Fig 4. Percentage of antibiotic prescriptions by Canadian physicians for treating outpatient acute rhinosinusitis stratified by antibiotic class and age groups in Canada, 2013.

(Footnote: Antibiotic classes were not visualized if they had a mean percentage ≤ 0.6% or ≤ 2 data points. They include the following: β-lactamase resistant penicillins, β-lactamase sensitive penicillins, Third-generation cephalosporins, Lincosamides, and Combinations of sulphonamides and trimethoprim, incl. derivatives).