Effect of Prior Atorvastatin Treatment on the Frequency of Hospital Acquired Pneumonia and Evolution of Biomarkers in Patients with Acute Ischemic Stroke: A Multicenter Prospective Study

Table 4

Cox regression analysis for the effect of multiple factors on mortality of patients with HAP.

Variable	HR	95% CI
Prior statin treatment	0.564	0.310~0.825	0.038
Age	2.683	1.304~4.668	0.041
Gender (male)	1.083	0.835~1.476	0.882
Position of stroke	4.494	1.086~9.598	0.032
CPIS	3.884	2.883~7.936	0.042
GCS	2.674	1.983~8.836	0.036
APACHE II	2.563	1.376~8.763	0.042
Cholesterol	1.542	0.732~6.424	0.453
LDL	1.145	0.832~5.324	0.464
Previous cardiovascular disease	1.185	0.860~4.562	0.645
Previous cerebrovascular disease	1.874	0.874~7.5124	0.644