{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360021390575650688.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1001/jamanetworkopen.2023.51518"}},{"identifier":{"@type":"URI","@value":"https://jamanetwork.com/journals/jamanetworkopen/articlepdf/2813919/sakoi_2024_oi_231507_1704472146.16166.pdf"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Early-Stage Chronic Kidney Disease and Related Health Care Spending"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:sec id=\"ab-zoi231507-4\"><jats:title>Importance</jats:title><jats:p>The global burden of chronic kidney disease (CKD) is substantial and potentially leads to higher health care resource use.</jats:p></jats:sec><jats:sec id=\"ab-zoi231507-5\"><jats:title>Objective</jats:title><jats:p>To examine the association between early-stage CKD and health care spending and its changes over time in the general population.</jats:p></jats:sec><jats:sec id=\"ab-zoi231507-6\"><jats:title>Design, Setting, and Participants</jats:title><jats:p>Cohort study using nationwide health checkup and medical claims data in Japan. Participants included individuals aged 30 to 70 years with estimated glomerular filtration rates (eGFR) of 30 mL/min/1.73 m<jats:sup>2</jats:sup> or greater at the baseline screening in 2014. Data analyses were conducted from April 2021 to October 2023.</jats:p></jats:sec><jats:sec id=\"ab-zoi231507-7\"><jats:title>Exposure</jats:title><jats:p>The CKD stages at baseline, defined by the eGFR and proteinuria, were as follows: eGFR of 60 mL/min/1.73 m<jats:sup>2</jats:sup> or greater without proteinuria, eGFR of 60 mL/min/1.73 m<jats:sup>2</jats:sup> or greater with proteinuria, eGFR of 30 to 59 mL/min/1.73 m<jats:sup>2</jats:sup> without proteinuria, and eGFR of 30 to 59 mL/min/1.73 m<jats:sup>2</jats:sup> with proteinuria.</jats:p></jats:sec><jats:sec id=\"ab-zoi231507-8\"><jats:title>Main Outcome and Measures</jats:title><jats:p>The primary outcome was excess health care spending, defined as the absolute difference in health care spending according to the baseline CKD stages (reference group: eGFR ≥60 mL/min/1.73 m<jats:sup>2</jats:sup> without proteinuria) in the baseline year (2014) and in the following 5 years (2015 to 2019).</jats:p></jats:sec><jats:sec id=\"ab-zoi231507-9\"><jats:title>Results</jats:title><jats:p>Of the 79 988 participants who underwent a health checkup (mean [SD] age, 47.0 [9.4] years; 22 027 [27.5%] female), 2899 (3.6%) had an eGFR of 60 mL/min/1.73 m<jats:sup>2</jats:sup> or greater with proteinuria, 1116 (1.4%) had an eGFR of 30 to 59 mL/min/1.73 m<jats:sup>2</jats:sup> without proteinuria, and 253 (0.3%) had an eGFR of 30 to 59 mL/min/1.73 m<jats:sup>2</jats:sup> with proteinuria. At baseline, the presence of proteinuria and an eGFR less than 60 mL/min/1.73 m<jats:sup>2</jats:sup> were associated with greater excess health care spending (adjusted difference, $178; 99% CI, $6-$350 for proteinuria; $608; 99% CI, $233-$983 for an eGFR of 30-59 mL/min/1.73 m<jats:sup>2</jats:sup>; and $1254; 99% CI, $134-$2373 for their combination). The study consistently found excess health care spending over the following 5 examined years.</jats:p></jats:sec><jats:sec id=\"ab-zoi231507-10\"><jats:title>Conclusions and Relevance</jats:title><jats:p>In this cohort study of nationwide health checkup and medical claims data in Japan, early-stage CKD was associated with excess health care spending over the 5 examined years, and the association was more pronounced with a more advanced disease stage.</jats:p></jats:sec>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380021390575650576","@type":"Researcher","foaf:name":[{"@value":"Yuichiro Mori"}],"jpcoar:affiliationName":[{"@value":"Human Health Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380021390575650560","@type":"Researcher","foaf:name":[{"@value":"Naomi Sakoi"}],"jpcoar:affiliationName":[{"@value":"Department of Epidemiology, Infectious Disease Control and Prevention, Graduate School of Biomedical and Health 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