1.Gravel, D, Taylor, G, Ofner, M, et al. Point prevalence survey for healthcare-associated infections within Canadian adult acute-care hospitals. J Hosp Infect 2007;66:243–248.
2.Klevens, RM, Edwards, JR, Richards, CL, et al. Estimating health care-associated infections and deaths in U.S. hospitals, 2002. Public Health Rep 2007;122:160–166.
3.Garner, JS, Jarvis, WR, Emori, TG, Horan, TC, Hughes, JM. CDC definitions for nosocomial infections, 1988. Am J Infect Control 1988;16:128–140.
4.Horan, TC, Andrus, M, Dudeck, MA. CDC/NHSN surveillance definition of health care-associated infection and criteria for specific types of infections in the acute care setting. Am J Infect Control 2008;36:309–332.
5.Anderson, DJ, Freeman, J, Sexton, DJ. Recent changes in the NHSN definition for UTI: for better and worse. Am J Infect Control 2010; 38:81–82.