Volume 22, Number 4—April 2016
Research
Quantifying Transmission of Clostridium difficile within and outside Healthcare Settings
Figure 4

Figure 4. Increase in Clostridium difficile infection (CDI) incidence from use of antimicrobial drugs for in hospital-onset (HO-CDI), community-onset (CO-CDI), and long-term care facility–onset (LO-CDI) illnesses classified by drug risk ratio for CDI. Clostridium difficile infection (CDI) incidence from use of antimicrobial drugs for low through high CDI risk. Change in CDI incidence is measured as a multiple of the CDI incidence for an antimicrobial drug risk ratio = 1.0. Error bars indicate 95% CIs.