{"id":88,"date":"2022-11-01T19:22:52","date_gmt":"2022-11-01T10:22:52","guid":{"rendered":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/?page_id=88"},"modified":"2026-03-03T15:43:26","modified_gmt":"2026-03-03T06:43:26","slug":"publication","status":"publish","type":"page","link":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/?page_id=88","title":{"rendered":"Works"},"content":{"rendered":"\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-black-color has-light-green-cyan-background-color has-text-color has-background has-regular-font-size has-custom-font-size wp-element-button\" href=\"#publication\" rel=\"\u266fpublication\">Publication<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-black-color has-light-green-cyan-background-color has-text-color has-background wp-element-button\" href=\"#presentation\" rel=\"\u266fPresentation\">Presentation<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-black-color has-light-green-cyan-background-color has-text-color has-background\" id=\"publication\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;font-size:28px\">Publication<\/p>\n\n\n\n<h1 class=\"wp-block-heading has-vivid-green-cyan-color has-text-color has-large-font-size\">Study of Seven Kanto Prefectures Using the National Database<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\"><a href=\"https:\/\/doi.org\/10.3390\/epidemiologia7020034\">Comorbidities and Concomitant Medications in Middle-Aged Japanese People According to the Charlson Comorbidity Index and Age: Results of the NDB-K7Ps-Study-3<\/a>. \u00a0Airi Sekine, Kei Nakajima. Epidemiologia.\u00a07(2), 34. 2 March 2026<\/li>\n<\/ul>\n\n\n\n<p class=\"has-light-green-cyan-color has-text-color has-link-color has-large-font-size wp-elements-f2116b775a0a964bd3c10cb71a1e0fdf\">2025<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\"><a href=\"https:\/\/doi.org\/10.14740\/aicm10\">Correlations Between Wald Chi-Squared Values and Standardized Beta-Coefficients in Regression Analysis and Feature Importance Calculated Using Machine Learning<\/a>. Kei Nakajima, Airi Sekine. AI in Clinical Medicine.\u00a01(e10)\u00a02025-10-08\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"has-light-green-cyan-color has-text-color has-link-color has-large-font-size wp-elements-6d2d7105d746c4b20b6d7b8e9081e6a0\">2024<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39084944\/\">Possible pitfalls in the prediction of weight gain in middle-aged normal-weight individuals: Results from the NDB-K7Ps-study-2<\/a>. Kei Nakajima,\u00a0Airi Sekine,\u00a0Ryoko Higuchi,\u00a0Mai Enokido,\u00a0Sadako Matsui. Obes Res Clin Pract. 2024 Jul-Aug;18(4):255-262. doi: 10.1016\/j.orcp.2024.07.004. Epub 2024 Jul 31.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\"><strong>\u00a0<\/strong><a href=\"https:\/\/www.cureus.com\/articles\/223391-moderate-to-heavy-alcohol-consumption-may-cause-a-significant-decrease-in-serum-high-density-lipoprotein-cholesterol-in-middle-aged-women-a-cohort-study-of-the-national-database-study-in-the-kanto-7-prefectures-4#!\/\">Moderate-to-Heavy Alcohol Consumption May Cause a Significant Decrease in Serum High-Density Lipoprotein Cholesterol in Middle-Aged Women: A Cohort Study of the National Database Study in the Kanto 7 Prefectures-4.<\/a><strong>\u00a0<\/strong> Airi Sekine, Kei Nakajima. Cureus 16(3): e55467. doi:10.7759\/cureus.55467 2024-3-4\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"has-vivid-green-cyan-color has-text-color has-large-font-size\">2023<a href=\"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/\"><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\"><a href=\"https:\/\/www.mdpi.com\/2673-3986\/4\/4\/34\" data-type=\"URL\" data-id=\"https:\/\/www.mdpi.com\/2673-3986\/4\/4\/34\" target=\"_blank\" rel=\"noreferrer noopener\">Agreement in All-in-One Dataset between Diagnosis and Prescribed Medication for Common Cardiometabolic Diseases in the NDB-K7Ps.<\/a> Airi Sekine, Kei Nakajima. <em>Epidemiologia<\/em>\u00a02023,\u00a0<em>4<\/em>(4), 370-381;\u00a0<a href=\"https:\/\/doi.org\/10.3390\/epidemiologia4040034\">https:\/\/doi.org\/10.3390\/epidemiologia4040034<\/a> 2023-10-2<\/li>\n\n\n\n<li class=\"has-large-font-size\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37002060\/\" data-type=\"URL\" data-id=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37002060\/\">Relationship between non-restorative sleep and body weight in a general population: Results of NDB-K7Ps-Study-1<\/a>. Kei Nakajima,\u00a0 Airi Sekine. Obesity research &amp; clinical practice\u00a02023-3-29\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background has-regular-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/wp-content\/uploads\/2023\/06\/HP%E3%80%80ORCP%E6%97%A5%E6%9C%AC%E8%AA%9E.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">\u65e5\u672c\u8a9e\u8981\u7d04<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-large-font-size\">Kanagawa Investigation of Total Checkup Data from the National Database (KITCHEN)<\/p>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-large-font-size\">2022<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/36128008\/3\">U-Shaped Relationship Between Proteinuria and High-Density Lipoprotein Cholesterol: Results of Cross-Sectional and Six Years Cohort Studies (KITCHEN-10)<\/a>. Manami Igata, Kei Nakajima. &nbsp;Journal of clinical medicine 14(8)&nbsp;2022\u5e748\u6708&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-large-font-size\">2021<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/36157446\">Association of Serum High-Density Lipoprotein Cholesterol with High Blood Pressures at Checkup: Results of Kanagawa Investigation of Total Checkup Data from the National Database-9 (KITCHEN-9).<\/a>Kei Nakajima, Manami Igata, Ryoko Higuchi, Kotone Tanaka, Kaori Mizusawa, Teiji Nakamura. Journal of clinical medicine&nbsp;10(21)&nbsp;2021\u5e7410\u670830\u65e5&nbsp;&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/36157448\">Fasting biochemical hypoglycemia and related-factors in non-diabetic population: Kanagawa Investigation of Total Check-up Data from National Database-8.<\/a>Kotone Tanaka, Ryoko Higuchi, Kaori Mizusawa, Teiji Nakamura, Kei NakajimaWorld journal of diabetes&nbsp;12(7) 1131-1140&nbsp;2021\u5e747\u670815\u65e5&nbsp;&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/36157447\">Potential Role of Artificial Intelligence for the Previous Study Using Traditional Analysis.<\/a>Kei Nakajima, Manami Igata, Ryoko HiguchiJournal of clinical medicine research&nbsp;13(7) 409-411&nbsp;2021\u5e747\u6708&nbsp;&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/32629909\">Association between extremely high high-density lipoprotein-cholesterol and hypertensive retinopathy: results of a cross-sectional study from Kanagawa Investigation of Total Checkup Data from the National Database-6 (KITCHEN-6).<\/a>Kei Nakajima, Ryoko Higuchi, Kaori Mizusawa, Teiji NakamuraBMJ open&nbsp;11(5) e043677&nbsp;2021\u5e745\u670811\u65e5&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-large-font-size\">2020<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/32629910\">Unexpectedly High Prevalence of Breakfast Skipping in Low Body-Weight Middle-Aged Men: Results of the Kanagawa Investigation of Total Checkup Data from the National Data Base-7 (KITCHEN-7).<\/a>Kei Nakajima, Ryoko Higuchi, Kaori Mizusawa Nutrients&nbsp;13(1)&nbsp;2020\u5e7412\u670830\u65e5&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/36157449\">Trace Proteinuria and the Incidence of Overt Proteinuria After Five Years: Results of the Kanagawa Investigation of the Total Checkup Data From the National Database-5 (KITCHEN-5).<\/a>Kei Nakajima, Ryoko Higuchi, Kaori Mizusawa. Journal of clinical medicine research&nbsp;12(9) 618-623&nbsp;2020\u5e749\u6708&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-large-font-size\">2019<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/5967544\">Impaired Glucose Metabolism in People with Extremely Elevated High-Density Lipoprotein Cholesterol and Low Alcohol Consumption: Results of the Kanagawa Investigation of Total Checkup Data from the National Database-3 (KITCHEN-3).<\/a>Nakajima K J Clin Med.&nbsp;8(11)&nbsp;2019\u5e7411\u67081\u65e5&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/23520874\">High Concentration of Serum Aspartate Aminotransferase in Older Underweight People: Results of the Kanagawa Investigation of the Total Check-Up Data from the National Database-2 (KITCHEN-2).<\/a>Shibata M, Nakajima K, Higuchi R, Iwane T, Sugiyama M, Nakamura TJournal of clinical medicine&nbsp;8(9)&nbsp;2019\u5e748\u670822\u65e5&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/23520875\">High Incidence of Diabetes in People with Extremely High High-Density Lipoprotein Cholesterol: Results of the Kanagawa Investigation of Total Checkup Data from the National Database-1 (KITCHEN-1).<\/a>Nakajima K, Higuchi R, Iwane T, Shibata M, Takada K, Sugiyama M, Matsuda M, Nakamura TJournal of clinical medicine&nbsp;8(3)&nbsp;2019\u5e743\u670819\u65e5&nbsp;&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/researchmap.jp\/read0136236\/published_papers\/23520876\">Kanagawa Investigation of the Total Check-up Data from the National database (KITCHEN): protocol for data-driven population-based repeated cross-sectional and 6-year cohort studies.<\/a>Nakajima K, Iwane T, Higuchi R, Shibata M, Takada K, Uda J, Anan M, Sugiyama M, Nakamura TBMJ open&nbsp;9(2) e023323&nbsp;2019\u5e742\u670821\u65e5&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"has-light-green-cyan-background-color has-background\" id=\"presentation\" style=\"padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20);font-size:28px\">Presentation<\/p>\n\n\n\n<p class=\"has-vivid-green-cyan-color has-text-color has-large-font-size\">2023<a href=\"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/\"><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"font-size:20px\">\u50b7\u75c5\u540d\u306e\u5e74\u5ea6\u9593\u306e\u4e00\u81f4\u7387\u306b\u3064\u3044\u3066 <br>\u95a2\u6839 \u611b\u8389, \u4e2d\u5cf6 \u5553 \u7b2c6\u56deNDB\u30e6\u30fc\u30b6\u30fc\u4f1a 2023\u5e749\u670815\u65e5<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-fdcfc74e wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background has-regular-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/wp-content\/uploads\/2023\/10\/2023-9.15-NDB\u50b7\u75c5\u540d\u4e00\u81f4\u7387.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">\u30b9\u30e9\u30a4\u30c9<\/a><\/div>\n<\/div>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li style=\"font-size:20px\">AI\u3092\u7528\u3044\u305f\u4e2d\u9ad8\u5e74\u5973\u6027\u306b\u304a\u3051\u308b\u98f2\u9152\u91cf\u3068\u8840\u6e05HDL-C\u6fc3\u5ea6\u306b\u95a2\u3059\u308b\u89e3\u6790\uff1a\u95a2\u67711\u90fd6\u770cNDB\u30b3\u30db\u30fc\u30c8\u7814\u7a76<br>\u95a2\u6839 \u611b\u8389, \u4e2d\u5cf6 \u5553\u3000\u7b2c77\u56de\u65e5\u672c\u6804\u990a\u30fb\u98df\u7ce7\u5b66\u4f1a\u5927\u4f1a\uff0c&nbsp;2023\u5e745\u670814\u65e5<\/li>\n\n\n\n<li style=\"font-size:20px\">\u98f2\u9152\u306e\u983b\u5ea6\u304a\u3088\u3073\u91cf\u3068\u2f8e\u6e05HDL\u6fc3\u5ea6\u3068\u306e\u95a2\u4fc2\ufe13\u95a2\u67711\u90fd6\u770cNDB\u3092\u2f64\u3044\u305f\u30b3\u30db\u30fc\u30c8\u7814\u7a76<br>\u95a2\u6839\u611b\u8389, \u4e2d\u5cf6\u5553\u3000\u7b2c56\u56de\u2f47\u672c\u6210\u2f08\u75c5\uff08\u2f63\u6d3b\u7fd2\u6163\u75c5\uff09\u5b66\u4f1a\u5b66\u8853\u96c6\u4f1a&nbsp;\uff0c2023\u5e741\u670814\u65e5<\/li>\n<\/ul>\n\n\n\n<p class=\"has-vivid-green-cyan-color has-text-color has-large-font-size\">2022<a href=\"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/\"><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"font-size:20px\">\u98f2\u9152\u306e\u983b\u5ea6\u304a\u3088\u3073\u91cf\u3068\u8840\u6e05HDL\u6fc3\u5ea6\u3068\u306e\u95a2\u4fc2\uff1a\u95a2\u67711\u90fd6\u770cNDB\u3092\u7528\u3044\u305f\u30b3\u30db\u30fc\u30c8\u7814\u7a76<br>\u95a2\u6839 \u611b\u8389, \u4e2d\u5cf6 \u5553\u3000\u65e5\u672c\u81e8\u5e8a\u75ab\u5b66\u4f1a \u7b2c5\u56de\u5e74\u6b21\u5b66\u8853\u5927\u4f1a\uff0c&nbsp;2022\u5e7411\u670812\u65e5<\/li>\n<\/ul>\n\n\n\n<div style=\"height:93px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Publication Study of Seven Kanto Prefectures Using the National Database 2025 2024 2023 Kanagawa Investigation [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"vkexunit_cta_each_option":"","footnotes":""},"class_list":["post-88","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/index.php?rest_route=\/wp\/v2\/pages\/88","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=88"}],"version-history":[{"count":16,"href":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/index.php?rest_route=\/wp\/v2\/pages\/88\/revisions"}],"predecessor-version":[{"id":287,"href":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/index.php?rest_route=\/wp\/v2\/pages\/88\/revisions\/287"}],"wp:attachment":[{"href":"https:\/\/mcm-www.jwu.ac.jp\/~NDB-K7Ps\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=88"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}