Impact of universal contact precautions and chlorhexidine bathing on the acquisition of carbapenem-resistant enterobacterales in the intensive care unit: a cohort study

Table 1 Annual incidence of multidrug-resistant organism colonisation (2017–2019)

	Incidence per year per 1,000 patient-days			Relative risk (95% CI)	P-value
	2017	2018	2019	Relative risk (95% CI)	P-value
Total MDROs	19.330	18.189	13.567	0.85 (0.738–0.945)	0.004*
GP MDROs	9.320	6.098	5.087	0.92 (0.861–0.987)	0.020*
MRSA	7.59	5.05	3.18	0.65 (0.516–0.815)	0.000*
VRE	1.73	1.05	1.91	1.11 (0.733–1.692)	0.613
GN MDROs	10.010	12.091	8.479	0.90 (0.772–1.060)	0.214
CRPA	2.07	0.95	1.38	0.82 (0.534–1.266)	0.374
CRAB	7.08	10.41	6.78	0.94 (0.791–1.127)	0.524
CRE	0.86	0.74	0.32	0.63 (0.326–1.210)	0.165

*P < 0.05; CI, confidence interval; MDROs, multidrug-resistant organisms; GP MDROs, gram-positive multidrug-resistant organisms; MRSA, methicillin-resistant Staphylococcus aureus; VRE, vancomycin-resistant Enterococci; GN MDROs, gram-negative multidrug-resistant organisms; CRPA, carbapenem-resistant Pseudomonas aeruginosa; CRAB, carbapenem-resistant Acinetobacter baumannii; CRE, carbapenem-resistant Enterobacterales

ISSN: 2047-2994