The Association of Blood Urea Nitrogen to Creatinine Ratio and the Prognosis of Critically Ill Patients with Cerebral Infarction: A Cohort Study

Table 3

The association between BUN/Cr and mortality of patients with cerebral infarction in different subgroups.

Subgroup	Model
	RR (95% CI)
Age
≥65	1.01 (1.00-1.02)	0.099
<65	1.01 (0.99-1.03)	0.273
Gender
Male	1.02 (1.01-1.04)	0.023
Female	1.01 (0.99-1.02)	0.445
Respiratory failure
Yes	1.02 (1.01-1.03)	0.041
No	1.01 (0.99-1.03)	0.286
Malignant cancer
Yes	1.03 (1.01-1.05)	0.032
No	1.01 (1.00-1.02)	0.126
Anticoagulation
Yes	1.01 (1.01-1.02)	0.028
No	1.02 (0.98-1.05)	0.341
Liver disease
Yes	1.02 (0.99-1.05)	0.242
No	1.01 (1.01-1.02)	0.040

Multivariable logistic regression analysis adjusting respiratory failure, malignant cancer, anticoagulation, liver disease, temperature, WBC, RDW percent, glucose, and bicarbonate; BUN: blood urea nitrogen; Cr: creatinine.