Comparison of disease and economic burden between MRSA infection and MRSA colonization in a university hospital: a retrospective data integration study

Table 4 Estimated effect of MRSA infection compared to that of MRSA colonization on in-hospital morality, length of stay, and hospital charges

Response variables	Explanatory variables	Ratio	95% CI	P value
In-hospital mortality	MRSA infections vs. colonization	0.88	0.56–1.36	0.562
	age	1.13^#	1.07–1.19^#	< 0.00001
	HD or HF	2.04	1.23–3.38	0.005
Length of stay	MRSA infections vs. colonization	1.41	1.25–1.58	< 0.00001
	age	0.97^#	0.96–0.98^#	< 0.00001
	HD or HF	2.79	2.26–3.44	< 0.00001
Hospital charges	MRSA infections vs. colonization	1.53	1.33–1.75	< 0.00001
	age	0.97^#	0.96–0.98^#	< 0.00001
	HD or HF	6.24	4.89–7.95	< 0.00001

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