Journal
WORLD JOURNAL OF GASTROENTEROLOGY
Volume 21, Issue 24, Pages 7500-7505Publisher
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v21.i24.7500
Keywords
Blood urea nitrogen; Forrest classification; Hemoglobin; White blood cell count
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AIM: To examine characteristics of patients with blood urea nitrogen (BUN) levels higher and lower than the normal limit. METHODS: Patient records between April 2011 and March 2014 were analyzed retrospectively. During this time, 3296 patients underwent upper endoscopy. In total, 50 male (69.2 +/- 13.2 years) and 26 female (72.3 +/- 10.2 years) patients were assessed. Patients were divided into two groups based on BUN levels: higher than the normal limit (21.0 mg/dL) (H) and lower than the normal limit (L). One-way analysis of variance was performed to reveal differences in the variables between the H and L groups. Fisher's exact test was used to compare the percentage of patients with gastric ulcer or gastric cancer in the H and L groups. RESULTS: White blood cell count was higher in the H group than in the L group (P = 0.0047). Hemoglobin level was lower in the H group than in the L group (P = 0.0307). Glycated hemoglobin was higher in the H group than in the L group (P = 0.0264). The percentage of patients with gastric ulcer was higher in the H group (P = 0.0002). The H group contained no patients with gastric cancer. CONCLUSION: Patients with BUN >= 21 mg/dL might have more severe upper gastrointestinal bleeding.
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