Patient characteristics with high or low blood urea nitrogen in upper gastrointestinal bleeding

Table 3 Comparison of variables between patients examined for blood urea nitrogen or not

Variable	No. of patients	BUN examined group (n = 56)	BUN not examined group (n = 20)	P value
Age (yr)	76	70.6 ± 1.7	69.9 ± 2.8	0.8353
WBC (102/μL)	68	7726 ± 3731	6266 ± 1624	0.1905
Hb (g/dL)	68	9.92 ± 3.34	10.8 ± 2.39	0.3817
CRP (mg/dL)	46	1.22 ± 1.40	2.21 ± 1.66	0.1024
Plt (104/μL)	65	27.2 ± 11.8	27.9 ± 8.1	0.8639
TP (g/dL)	43	5.96 ± 0.86	6.44 ± 0.69	0.1513
Alb (g/dL)	38	3.48 ± 0.64	2.95 ± 0.64	0.2851
T-Bil (mg/dL)	46	0.68 ± 0.58	0.87 ± 0.11	0.6543
ALP (IU/L)	34	236 ± 142	232 ± 89	0.9649
AST (IU/L)	58	26.1 ± 21.9	19.6 ± 3.8	0.4409
ALT (IU/L)	62	20.7 ± 19.5	17.6 ± 6.46	0.6379
γ-GTP (IU/L)	33	59.0 ± 93.8	37.0 ± 16.8	0.6477
LDH (IU/L)	45	187 ± 55	195 ± 36	0.7244
UA (mg/dL)	29	5.32 ± 2.13	5.00 ± 0.77	0.7459
Cre (mg/dL)	64	0.92 ± 0.36	0.94 ± 0.28	0.9148
T-Chol (mg/dL)	28	144 ± 41	202 ± 31	0.0018
BG (mg/dL)	36	134 ± 61	117 ± 8	0.5669

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; Cre: Creatinine; T-Chol: Total cholesterol; BG: Blood glucose.