Table 2.
Comparison of variables between patients with blood urea nitrogen higher and lower than 21.0 mg/dL
| Variable | No. of patients | H group (n = 20) | L group (n = 36) | P value |
| Age (yr) | 56 | 69.7 ± 17.3 | 71.1 ± 9.4 | 0.7040 |
| WBC (102/μL) | 56 | 9575 ± 5088 | 6700 ± 2187 | 0.0047 |
| Hb (g/dL) | 56 | 8.64 ± 3.47 | 10.6 ± 3.09 | 0.0307 |
| CRP (mg/dL) | 39 | 1.66 ± 2.03 | 0.99 ± 0.85 | 0.1557 |
| Plt (104/μL) | 54 | 23.1 ± 8.4 | 29.4 ± 12.8 | 0.0629 |
| TP (g/dL) | 35 | 5.70 ± 0.98 | 6.20 ± 0.68 | 0.0874 |
| Alb (g/dL) | 36 | 3.32 ± 0.69 | 3.53 ± 0.62 | 0.3546 |
| T-Bil (mg/dL) | 44 | 0.62 ± 0.40 | 0.71 ± 0.63 | 0.6461 |
| ALP (IU/L) | 32 | 178 ± 53 | 260 ± 159 | 0.1449 |
| AST (IU/L) | 51 | 23.7 ± 12.0 | 27.1 ± 25.3 | 0.6062 |
| ALT (IU/L) | 53 | 25.9 ± 26.0 | 18.0 ± 14.9 | 0.1654 |
| γ-GTP (IU/L) | 29 | 22.6 ± 14.3 | 82.8 ± 107 | 0.2031 |
| LDH (IU/L) | 15 | 42.7 ± 6.6 | 46.0 ± 10.8 | 0.6261 |
| UA (mg/dL) | 24 | 5.84 ± 2.47 | 5.00 ± 1.93 | 0.3638 |
| BUN (mg/dL) | 56 | 36.3 ± 17.3 | 12.3 ± 3.8 | < 0.0001 |
| Cre (mg/dL) | 56 | 1.09 ± 0.37 | 0.83 ± 0.32 | 0.0086 |
| BUN/Cre | 56 | 35.0 ± 13.2 | 16.1 ± 6.3 | < 0.0001 |
| T-Chol (mg/dL) | 21 | 143 ± 37 | 145 ± 47 | 0.9102 |
| TG (mg/dL) | 16 | 98 ± 68 | 101 ± 48 | 0.9408 |
| HDL (mg/dL) | 15 | 42.7 ± 6.6 | 46.0 ± 10.8 | 0.6261 |
| LDL (mg/dL) | 14 | 72.7 ± 38.4 | 95.5 ± 30.5 | 0.2954 |
| BG (mg/dL) | 32 | 164 ± 92 | 121 ± 34 | 0.0622 |
| HbA1c (%) | 21 | 6.31 ± 1.04 | 5.54 ± 0.46 | 0.0264 |
H group: Patients with BUN > 21.0 mg/dL; L group: Patients with BUN < 21.0 mg/dL; WBC: White blood cell count; Hb: Hemoglobin; CRP: C-reactive protein; Plt: Platelet; TP: Total protein; Alb: Albumin; T-Bil: Total bilirubin; ALP: Alkaline phosphatase; AST: Aspartate aminotransferase; ALT: Alanine aminotransferase; γ-GTP: Gamma-glutamyl transpeptidase; LDH: Lactate dehydrogenase; UA: Uric acid; BUN: Blood urea nitrogen; Cre: Creatinine; T-Chol: Total cholesterol; TG: Triglyceride; HDL: High-density lipoprotein cholesterol; LDL: Low-density lipoprotein cholesterol; BG: Blood glucose; HbA1c: Glycated hemoglobin.