Table 4.

Incidence of Vancomycin-Resistant Enterococcus^a

	Pre- Intervention	Post-Intervention
	(2009–2011)	(2013–2015)
Data Elements	n = 1410 Admissions	n = 1356 Admissions	P Valueb
Total patient days	13 447	14 440
Vancomycin-resistant Enterococcus
Admissions with positive cultures, n	34	13
Incidencec per 1000 patient-days	2.53	0.90	.002
Infection, n (%)	12 (35)	4 (31)
Infection incidenced per 1000 patient-days	0.89	0.28	.03

^aN = 2766 admissions.

^b P value from Poisson regression testing for difference in incidence per 1000 patient-days by period.

^cIncidence includes both vancomycin-resistant Enterococcus (VRE) colonization and infection.

^dInfection incidence includes only VRE infection.