{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T03:57:54Z","timestamp":1790913474440,"version":"4.1.0"},"reference-count":33,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,9,4]],"date-time":"2025-09-04T00:00:00Z","timestamp":1756944000000},"content-version":"vor","delay-in-days":246,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["JP24KJ0602"],"award-info":[{"award-number":["JP24KJ0602"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003478","name":"Ministry of Health, Labour and Welfare","doi-asserted-by":"publisher","award":["22AA2006"],"award-info":[{"award-number":["22AA2006"]}],"id":[{"id":"10.13039\/501100003478","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003478","name":"Ministry of Health, Labour and Welfare","doi-asserted-by":"publisher","award":["23AA2003"],"award-info":[{"award-number":["23AA2003"]}],"id":[{"id":"10.13039\/501100003478","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pediatrics International"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Administrative claims data are used in clinical studies; however, recorded diagnoses and procedures have not been fully validated for pediatric patients. We aimed to examine the validity of recorded information on pediatric patients in the Japanese Diagnosis Procedure Combination (DPC) database, a national inpatient database that includes administrative claims data.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We validated the DPC data using medical charts as the reference standard. We included patients aged &lt;16\u2009years admitted to a single academic hospital in Tokyo between 2018 and 2022. Positive predictive values were assessed for six diagnoses (cardiac arrest, blood cancer, acute myocarditis, nontraumatic intracranial hemorrhage, hypoplastic left heart syndrome, and trisomy 21) and in\u2010hospital death. We evaluated intubation, mechanical ventilation, and high\u2010flow nasal cannulas in 100 randomly selected patients from the neonatal intensive care unit (NICU) and pediatric intensive care unit, and the gestational age and birth weight in NICU patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The positive predictive values of the diagnoses ranged from 70% (non\u2010traumatic intracranial hemorrhage) to 100% (trisomy 21 and in\u2010hospital death). The sensitivities of the procedures ranged from 36% (high\u2010flow nasal cannula in the NICU) to 89% (mechanical ventilation in the NICU), and the specificities were all &gt;95%. The mean gestational ages were 34.2\u2009weeks in the chart and 33.8\u2009weeks in the claims, and the mean birth weights were 2101\u2009g in the chart and 2104\u2009g in the claims, demonstrating high concordance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Japanese claims data can be useful for pediatric studies focusing on selected diagnoses, procedures, and birth records with confirmed validity.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ped.70178","type":"journal-article","created":{"date-parts":[[2025,9,4]],"date-time":"2025-09-04T12:03:42Z","timestamp":1756987422000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Validity of diagnoses, procedures, and birth records in a Japanese administrative claims database for pediatric patients"],"prefix":"10.1111","volume":"67","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-8959-0508","authenticated-orcid":false,"given":"Wakana","family":"Maki","sequence":"first","affiliation":[{"name":"Department of Clinical Epidemiology and Health Economics, School of Public Health The University of Tokyo  Tokyo Japan"},{"name":"Department of Pediatrics The University of Tokyo  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroki","family":"Kitaoka","sequence":"additional","affiliation":[{"name":"Department of Pediatrics The University of Tokyo  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shotaro","family":"Aso","sequence":"additional","affiliation":[{"name":"Department of Health Services Research, Graduate School of Medicine The University of Tokyo  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sachiko","family":"Ono","sequence":"additional","affiliation":[{"name":"Department of Eat\u2010loss Medicine, Graduate School of Medicine The University of Tokyo  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Motohiro","family":"Kato","sequence":"additional","affiliation":[{"name":"Department of Pediatrics The University of Tokyo  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hideo","family":"Yasunaga","sequence":"additional","affiliation":[{"name":"Department of Clinical Epidemiology and Health Economics, School of Public Health The University of Tokyo  Tokyo 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