Long-term medical utilization following ventilator-associated pneumonia in acute stroke and traumatic brain injury patients: a case-control study

Table 3 Regression models of medical utilization during the 2-year follow-up period

	Hospitalization expenses ^b	Outpatient expenses ^b	Total medical expenses ^b	Number of ER visits ^c	Number of readmissions ^c	Hospitalization days ^c	ICU days ^c
	β	β	β	β	β	β	β
VAP
No (control group)^a
Yes (case group)	1.103	0.934	1.064	-0.013	0.057**	0.054***	0.265***
Age	1.006**	0.995***	1.011***	0.005***	0.008***	0.008***	0.020***
Gender
Female ^a
Male	1.229**	0.978	1.257***	0.256***	0.178***	0.134***	0.420***
Diagnosis at hospitalization
Traumatic brain injury ^a
Acute hemorrhagic stroke	1.264**	1.543***	1.465***	0.124**	0.217***	0.333***	0.462***
Acute ischemic stroke	1.411***	1.088	1.438***	0.083	0.203***	0.373***	0.622***
Hospital size
Medical center ^a
Regional hospital	0.915	0.885	0.946	-0.034	-0.032	-0.124***	0.211***
District hospital	0.924	0.615***	0.792*	-0.298***	-0.056	-0.131***	0.296***
Chronic respiratory disease history
No ^a
Yes	0.951	0.810**	0.856*	-0.068	-0.040	-0.022***	-0.030
Ventilation days	1.034***	0.990***	1.031***	-0.009***	0.019***	0.030***	0.007***
Number of Elixhauser comorbidities	1.072***	1.040*	1.086***	0.066***	0.031***	0.005***	0.105***
R-Square	0.091	0.028	0.087

ISSN: 1472-6963