ESBL E. coli as a percentage of E. coli isolated from blood and urine per quarter (July 2004 – December 2008). Horizontal axis time line begins July 2004. Triangles represent % ESBL E. coli from blood in the study hospitals and circles represent the % ESBL E. coli from urine per quarter. The dashed line and solid lines represent the respective linear trends for blood and urine. Solid black squares show national data for ESBL E. coli from blood cultures per quarter from the European Antimicrobial Resistance Surveillance System.
Fennell et al. BMC Infectious Diseases 2012 12:116 doi:10.1186/1471-2334-12-116