Prevalence of hypertensive diseases and treated hypertensive patients in Japan: A nationwide administrative claims database study

Takashi Waki, Katsuyuki Miura, Sachiko Tanaka-Mizuno, Yusuke Ohya, Koichi Node, Hiroshi Itoh, Hiromi Rakugi, Jumpei Sato, Kazuo Goda, Masaru Kitsuregawa, Tomoki Ishikawa, Naohiro Mitsutake

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We investigated the prevalence of hypertensive patients and treated hypertensive patients using a Japanese nationwide administrative claims database. We analyzed national database data from 2014, including all claims data, provided by the Ministry of Health, Labour and Welfare of Japan. Hypertensive diseases were identified using Japanese standardized disease codes. Among hypertensive patients, treated hypertensive patients were defined by the prescription of any antihypertensive medication, identified using national health insurance price listing codes. We calculated and compared the number and age-adjusted prevalence of hypertensive patients and treated hypertensive patients by prefecture and the proportion of these patients by the size of medical facilities. In 2014, approximately 27 million Japanese people were identified as hypertensive, among which 89.6% were treated. The age-adjusted prevalence of hypertensive patients (per 100,000 persons) among women and men was 21,414 and 21,084, respectively. The age-adjusted prevalence of treated hypertensive patients (per 100,000 persons) among women and men was 19,118 and 18,974, respectively. While the prevalence of hypertensive and treated hypertensive patients varied geographically, the prevalence remained similar between the sexes. Approximately 59% of hypertensive patients visited clinics (0 to 19 beds) in Japan. In Japan, 27 million people were diagnosed with hypertensive diseases, and approximately 90% of these patients were treated with any antihypertensive medication in 2014. The distribution of hypertensive patients varied geographically throughout Japan.

Original languageEnglish
Pages (from-to)1123-1133
Number of pages11
JournalHypertension Research
Volume45
Issue number7
DOIs
Publication statusPublished - 2022 Jul

Keywords

  • Administrative claims data
  • Exhaustive study
  • Geographical distribution
  • Hypertensive disease
  • National database

ASJC Scopus subject areas

  • Internal Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine

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