ArticleInternational journal of environmental research and public health2022
Validity of Diagnostic Algorithms for Inflammatory Bowel Disease in Japanese Hospital Claims Data.
Article in International journal of environmental research and public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Bidirectional Associations Between Seborrheic Dermatitis and Epithelial Barrier Diseases: A Retrospective Cohort Study.Allergy · 2026Article
- Epidemiologic survey of ulcerative colitis and crohn's disease in Japan using claim data.Scientific reports · 2026Article
- Evolving Trends in Pediatric Inflammatory Bowel Disease Management in Japan: A Decade of Nationwide Data.JGH open : an open access journal of gastroenterology and hepatology · 2025Article
- Prevalence and Treatment Patterns of Inflammatory Bowel Disease in the All of Us Research Program.Inflammatory bowel diseases · 2024Article
- Clinical practice and outcome of patients with elderly-onset ulcerative colitis: Insights from a nationwide claims database study in Japan.JGH open : an open access journal of gastroenterology and hepatology · 2024Article
- Predictive value of serum markers for mucosal healing in patients with inflammatory bowel disease.American journal of translational research · 2024Article
- The Impact of Concomitant Ulcerative Colitis on the Clinical Course in Patients with Primary Sclerosing Cholangitis: An Investigation Using a Nationwide Database in Japan.Inflammatory intestinal diseases · 2023Article
- Severity of acute pancreatitis in patients with inflammatory bowel disease in the era of biologics: A propensity-score-matched analysis using a nationwide database in Japan.JGH open : an open access journal of gastroenterology and hepatology · 2023Article
- Clinical Utilization of Generic Drugs and Biosimilars for Ulcerative Colitis Treatment: Insights from a Nationwide Database Study in Japan.Inflammatory intestinal diseasesArticle
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Authors and funding
10 authors.
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Abstract
Inflammatory bowel disease (IBD) diagnoses are increasing in Japan. Some patients have symptoms that are difficult to control, and further research on IBD is needed. Claims databases, which have a large sample size, can be useful for IBD research. However, it is unclear whether the International Classification of Diseases, Tenth Revision (ICD-10) codes alone can correctly identify IBD. We aimed to develop algorithms to identify IBD in claims databases. We used claims data from the Department of Gastroenterology, Tohoku University Hospital from 1 January 2016 to 31 December 2020. We developed 11 algorithms by combining the ICD-10 code, prescription drug, and workup information. We had access to the database which contains all the information for Crohn's disease and ulcerative colitis patients who visited our department, and we used it as the gold standard. We calculated sensitivity, specificity, positive predictive value (PPV), and negative predictive value for each algorithm. We enrolled 19,384 patients, and among them, 1012 IBD patients were identified in the gold standard database. Among 11 algorithms, Algorithm 4 (ICD-10 code and ≥1 prescription drugs) showed a strong performance (PPV, 94.8%; sensitivity, 75.6%). The combination of an ICD-10 code and prescription drugs may be useful for identifying IBD among claims data.
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