Financial Performance of Medical Corporations in Japan From 2016 to 2022: A Nationwide Longitudinal Analysis

Satoshi Funada, Shusuke Hiragi, Michiko Ashizawa, Rei Goto

Open source

DOI: 10.2188/jea.je20250303
Published: 2026-06-05
Container: Journal of Epidemiology
Publisher: Japan Epidemiological Association
Open access: unknown

Credibility signals

uncertain Score 64/100 under policy 1.0.0. This is a metadata assessment, not a judgment of the paper's conclusions.

Show all credibility signals

supportingDOI registered: A matching record was returned by Crossref. Source: Crossref; license: CC0 metadata
supportingDOI resolves: A matching record was returned by Crossref. Source: Crossref; license: CC0 metadata
not scoredDirectory of Open Access Journals: No matching DOAJ record was present in this response. No allow-list match; this is not evidence of low credibility. Source: DOAJ; license: CC0
not scoredMEDLINE indexed: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredOpenAlex core source: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredKnown publisher allow-list: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredROR affiliation: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredRetraction Watch retraction: No retraction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch expression of concern: No expression of concern notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch correction: No correction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch reinstatement: No reinstatement notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredOpen access status: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredPublication license: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredPublication version: A publication version was supplied but is not scored. Source: Normalized work metadata; license: Caller-provided; provenance license not supplied to scorer
supportingMetadata completeness: All 6 scored descriptive metadata groups are present. Source: Normalized work metadata; license: Caller-provided; provenance license not supplied to scorer

Cite this work

BibTeX

@article{allodium:10.2188/jea.je20250303,
  title = {Financial Performance of Medical Corporations in Japan From 2016 to 2022: A Nationwide Longitudinal Analysis},
  author = {Satoshi Funada and Shusuke Hiragi and Michiko Ashizawa and Rei Goto},
  year = {2026},
  journal = {Journal of Epidemiology},
  doi = {10.2188/jea.je20250303},
  url = {https://doi.org/10.2188/jea.je20250303}
}

RIS

TY  - JOUR
TI  - Financial Performance of Medical Corporations in Japan From 2016 to 2022: A Nationwide Longitudinal Analysis
AU  - Satoshi Funada
AU  - Shusuke Hiragi
AU  - Michiko Ashizawa
AU  - Rei Goto
PY  - 2026
JO  - Journal of Epidemiology
DO  - 10.2188/jea.je20250303
UR  - https://doi.org/10.2188/jea.je20250303
ER  -

APA

Funada, S., Hiragi, S., Ashizawa, M., & Goto, R. (2026). Financial Performance of Medical Corporations in Japan From 2016 to 2022: A Nationwide Longitudinal Analysis. Journal of Epidemiology. https://doi.org/10.2188/jea.je20250303

Source records

crossref · retrieved 2026-09-27T12:25:35.739Z