{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T20:35:01Z","timestamp":1792442101300,"version":"4.5.0"},"reference-count":40,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2018,5,4]],"date-time":"2018-05-04T00:00:00Z","timestamp":1525392000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Previous studies have suggested that peptic ulcer disease (PUD) including stomach and duodenal ulcers might be associated with periodontitis (PD); however, no clear conclusions have been reached thus far. In this retrospective case-control study, we aimed to investigate the association between PUD and PD by using a large population-based dataset in Taiwan. A population-based retrospective case control study was conducted using the Longitudinal Health Insurance Database 2010 (LHID2010) derived from the National Health Insurance Research database (NHIRD) in Taiwan from 2000 to 2013. The case and control group were matched with gender, age, urbanization level, socioeconomic status, and Charlson comorbidity index (CCI) by using the propensity score method at a 1:1 ratio. A total of 177,240 cases and 177,240 control patients were included in this study, with an average age of 46.96   \u00b1   11.76 years. The risk of PUD for patients diagnosed with PD was 1.15-fold when compared with those without PD (OR, 1.15; 95% CI, 1.12\u20131.18). This population-based case control study demonstrated a significantly positive association between PUD and PD in Taiwan.<\/jats:p>","DOI":"10.3390\/ijerph15050912","type":"journal-article","created":{"date-parts":[[2018,5,4]],"date-time":"2018-05-04T03:08:21Z","timestamp":1525403301000},"page":"912","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Association between Peptic Ulcer Disease and Periodontitis: A Nationwide Population-Based Case-Control Study in Taiwan"],"prefix":"10.3390","volume":"15","author":[{"given":"Hui-Chieh","family":"Yu","sequence":"first","affiliation":[{"name":"School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8016-2573","authenticated-orcid":false,"given":"Tsung-Po","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Family Medicine, China Medical University Hospital, Taichung 40402, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chia-Yi","family":"Wei","sequence":"additional","affiliation":[{"name":"School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9731-2577","authenticated-orcid":false,"given":"Yu-Chao","family":"Chang","sequence":"additional","affiliation":[{"name":"School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan"},{"name":"Department of Dentistry, Chung Shan Medical University Hospital, Taichung 40201, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2018,5,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"459","DOI":"10.1159\/000332213","article-title":"The intriguing relationship of helicobacter pylori infection and acid secretion in peptic ulcer disease and gastric cancer","volume":"29","author":"Malfertheiner","year":"2011","journal-title":"Dig. 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