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Development and validation of a logistic regression-based prediction model and nomogram for vitamin D deficiency: a large-sample study from the high-altitude region of Ningxia, Northwest China

Crossref DOI link: https://doi.org/10.1186/s40001-026-04245-8

Published Online: 2026-03-19

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Zeng, Qiaodi

Zou, Dehua

Zeng, Qiaoli
Funding

Funding for this research was provided by:

2025 Guangdong Medical University Clinical and Basic Science and Technology Innovation Special Program - Young Investigators Project (GDMULCJC2025254)
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Text and Data Mining valid from 2026-03-19

Version of Record valid from 2026-04-28
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Article History

Received: 29 November 2025

Accepted: 11 March 2026

First Online: 19 March 2026

Declarations

:

: This study was approved by the Ethics Review Board of the People’s Hospital of Haiyuan County (approval number: KY-2025-001). The need for informed consent was waived by the Ethics Committee, as the study was retrospective and used anonymized data.

: Not applicable.

: The authors declare no competing interests.

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