Research Article
Elevated Blood Urea Nitrogen-to-Serum Albumin Ratio as a Factor That Negatively Affects the Mortality of Patients with Hospital-Acquired Pneumonia
Table 2
Demographic, laboratory, and clinical variables of HAP.
| | Characteristics | Value |
| | Age >70 years | 409 (35.3%) | | Gender: male | 723 (62.4%) | | Smoke | 248 (21.4%) | | Diabetes mellitus | 230 (19.9%) | | COPD | 55 (4.7%) | | Antibiotics therapy in the preceding 90 days | 566 (48.9%) | | Stomach tube intubation | 307 (26.5%) | | Central venous catheterization | 197 (17.0%) | | Use of PPI | 745 (64.3%) | | ICU admission | 30 (2.6%) | | ALB <30 g/L | 124 (10.7%) | | WBC, ×109/L | 10.44 ± 5.72 | | Lymphocyte count <0.8 ∗ 109/L | 327 (28.2%) | | NLR | 9.08 ± 9.06 | | BUN/ALB | 0.21 ± 0.17 | | MDR pathogens | 193 (16.7%) | | Related mortality | 150 (13.0%) |
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HAP: hospital-acquired pneumonia; COPD: chronic obstructive pulmonary disease; use of PPI: use of proton-pump inhibitor; ICU admission: intensive care unit admission; ALB: albumin; WBC: white blood cell; NLR: neutrophil-to-lymphocyte count ratio; BUN/ALB: blood urea nitrogen/blood albumin; MDR: multidrug resistant.
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