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- Title
The association between Helicobacter pylori infection and the risk of advanced colorectal neoplasia may differ according to age and cigarette smoking.
- Authors
Park, Hyunsung; Park, Jae Jun; Park, Yoo Mi; Baik, Su Jung; Lee, Hyun Ju; Jung, Da Hyun; Kim, Jie‐Hyun; Youn, Young Hoon; Park, Hyojin
- Abstract
Abstract: Background: The association between Helicobacter pylori infection and advanced colorectal neoplasia (ACN) remains controversial. This study aimed to clarify the association between H. pylori infection and ACN according to age groups. Methods: We retrospectively analyzed the association between H. pylori infection and ACN in patients aged <50 and ≥50 years receiving a health checkup that included colonoscopy. Helicobacter pylori positivity was determined by the results of serum anti‐H. pylori immunoglobulin G or rapid urease test, if the anti‐H. pylori immunoglobulin G was in the borderline range. Results: Among the 19 337 patients who were included, 56.2% and 3.4% were positive for H. pylori and ACN, respectively. Helicobacter pylori infection independently increased the risk of ACN in patients aged <50 years (odds ratio [OR], 1.602; 95% confidence intervals [CI], 1.194‐2.150) but not in patients aged ≥50 years (OR, 1.046; 95% CI, 0.863‐1.268). The positive association between H. pylori infection and ACN was affected by smoking history. When stratified by age and smoking history, H. pylori infection conferred an increased risk of ACN in patients aged <50 years with a history of smoking (OR, 1.926; 95% CI, 1.336‐2.775) but not in the other 3 groups (3‐way interaction test P = .023). Among patients aged <50 years with ACN, ACN in the left colon was found more frequently in patients with H. pylori infection and a history of smoking than in those without (69.3% vs 54.4%, respectively; P = .031). Conclusions: Helicobacter pylori infection confers an increased risk of ACN, but the association may differ according to age and smoking history.
- Subjects
HELICOBACTER pylori infections; HELICOBACTER; HELICOBACTER diseases; HELICOBACTER pylori; COLON cancer
- Publication
Helicobacter, 2018, Vol 23, Issue 3, p1
- ISSN
1083-4389
- Publication type
Article
- DOI
10.1111/hel.12477