FIG 1.

CDI rate and antibiotic consumption from 2009 to 2013. (A) Distribution of CDI case incidence per 1,000 admissions or 10,000 patient-days. (B) Data on antibiotic consumption presented as defined daily doses (DDDs) per 100 patients per day for clindamycin, extended-spectrum cephalosporins (ESCs) (cefotaxime, ceftazidime, and ceftriaxone), cephalosporins, including ESC (cefazolin, cefoxitin, and cefotetan), fluoroquinolones (ciprofloxacin and levofloxacin), beta-lactamase-resistant (R) beta-lactams (ampicillin-sulbactam, amoxicillin-clavulanic acid, ticarcillin-clavulanic acid, and piperacillin-tazobactam), and macrolides (erythromycin, clarithromycin, and azithromycin).