Baseline and longitudinal measures of continuity of primary care and COPD-related service utilisation: a cohort study using Korean National Health Insurance Service claims data.
- DOI
- 10.1136/bmjopen-2026-117468
- Published
- 2026 Sep 9
- Container
- BMJ open
- Publisher
- Not recorded
- Open access
- yes
Credibility signals
limited evidence Score 45/100 under policy 1.0.0. This is a metadata assessment, not a judgment of the paper's conclusions.
Show all credibility signals
- cautionDOI registered: No matching Crossref record was present in this response.
- cautionDOI resolves: No matching Crossref record was present in this response.
- 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.
- not scoredMEDLINE indexed: Not checked or no result supplied; no credibility inference made.
- not scoredOpenAlex core source: Not checked or no result supplied; no credibility inference made.
- not scoredKnown publisher allow-list: Not checked or no result supplied; no credibility inference made.
- not scoredROR affiliation: Not checked or no result supplied; no credibility inference made.
- not scoredRetraction Watch retraction: No retraction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete.
- 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.
- not scoredRetraction Watch correction: No correction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete.
- not scoredRetraction Watch reinstatement: No reinstatement notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete.
- supportingOpen access status: Normalized open-access status: open.
- not scoredPublication license: Not checked or no result supplied; no credibility inference made.
- not scoredPublication version: A publication version was supplied but is not scored.
- cautionMetadata completeness: 5 of 6 scored descriptive metadata groups are present; missing fields increase uncertainty.
Cite this work
BibTeX
@article{allodium:10.1136/bmjopen-2026-117468,
title = {Baseline and longitudinal measures of continuity of primary care and COPD-related service utilisation: a cohort study using Korean National Health Insurance Service claims data.},
author = {Jo AJ and Kim S and Choo E and Je NK and Jang EJ and Lee IH},
year = {2026},
journal = {BMJ open},
doi = {10.1136/bmjopen-2026-117468},
url = {https://doi.org/10.1136/bmjopen-2026-117468}
}RIS
TY - JOUR TI - Baseline and longitudinal measures of continuity of primary care and COPD-related service utilisation: a cohort study using Korean National Health Insurance Service claims data. AU - Jo AJ AU - Kim S AU - Choo E AU - Je NK AU - Jang EJ AU - Lee IH PY - 2026 JO - BMJ open DO - 10.1136/bmjopen-2026-117468 UR - https://doi.org/10.1136/bmjopen-2026-117468 ER -
APA
AJ, J., S, K., E, C., NK, J., EJ, J., & IH, L. (2026). Baseline and longitudinal measures of continuity of primary care and COPD-related service utilisation: a cohort study using Korean National Health Insurance Service claims data.. BMJ open. https://doi.org/10.1136/bmjopen-2026-117468
Source records
- pubmed · retrieved 2026-09-25T21:24:27.047Z