Table 3.

Prevalence of extended-spectrum β-lactamases (ESBLs) among E. coli in specific allocation.

Study	Site and setting	Study period	No of isolates	Prevalence of ESBL-producing E. coli
Hsueh et al. (2001)	ICUs in five centers in northern and southern Taiwan	2000	177	11.9%
Shu et al. (2010)	ICUs in 1 medical center in northern Taiwan	2001–2007	NA	35.9% (peak in medical ICU in 2016)
Jean et al. (2009)	ICUs in 10 medical centers in northern, central and southern Taiwan	2005	160	14%
Lee C. M. et al. (2009)	Respiratory care center in a medical center in northern Taiwan	2001–2002	51	31.4%
Lin et al. (2013)	Respiratory care wards in northern Taiwan	2006–2007	NA	39.5%
Liu et al. (2016)	Nursing home in southern Taiwan	2009–2011	288	52.7% (urine), 69.6% (sputum), 60.5% (blood)