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Expert perspective, insights from real-world data practice
Feb. 10, 2026
When should outcome validation be conducted in post-marketing database study?
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Examples of Medical Data Applications
Nov. 21, 2025
Using Major Claims Datasets to Improve Oncology Diagnostics
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Examples of Medical Data Applications
Nov. 21, 2025
Using an Insurance Claim History Database to Advance Cardiovascular Care
55.45
Million
Patients
Hospital Database
(Last updated: January 2026)
[Data availability: April 2008 to end of November 2025]
The start date of available data varies by hospital.
Hospital data is a compilation of receipt and DPC data allocated to a single patient ID registered in the medical institution, allowing longitudinal tracking of treatments and disease progression within that hospital.
21.02
Million
Patients
Health Insurance
Database
(Last updated: December 2023)
[Data availability: April 2012 to end of September 2023]
781
Publications
Peer-Reviewed
Publications
A list of peer-reviewed research articles published using our databases.
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We analyze Japan’s largest hospital database to deliver regularly updated rankings and key trends each month.
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News
Latest News- UPDATEFebruary 15, 2026This Month’s Data Report Archive – <Trends in the Number of Hospitalized Patients in the Designated Intractable Disease Area -Analysis of DPC Data->
- UPDATEFebruary 10, 2026New Column Category Launch < Expert perspective, insights from real-world data practice >, and New Column < #70 When should outcome validation be conducted in post-marketing database study?> has been added
- NEWSFebruary 9, 2026Site Maintenance Notice
- NEWSFebruary 2, 2026Hospital Data [Actual number of patients: 55.45 million]
- UPDATEFebruary 2, 20261 publications have been added
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