Evidence map›Paper›PMID 31370113›Full record

ArticleClinical and experimental reproductive medicine2019

Differences in 25-hydroxy vitamin D and vitamin D-binding protein concentrations according to the severity of endometriosis.

Jong Chul Baek, Jae Yoon Jo, Seon Mi Lee, In Ae Cho, Jeong Kyu Shin, Soon Ae Lee, Jong Hak Lee, Min-Chul Cho, Won Jun Choi

Registry-linked trialAbstract read
In one paragraph

Article in Clinical and experimental reproductive medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06289257 (Analysis of Vitamin D and VDR Expression in Women With Advanced Endometriosis), which is not on this map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT06289257 completednot on this mapstarted 2024, after this paper: background citation

Analysis of Vitamin D and VDR Expression in Women With Advanced Endometriosis: A Case-Control Study in Thailand

Typeobservational_patient_registrySponsorKhon Kaen UniversityRan2024 to 2024Enrolled108ConditionsEndometriosis, Vitamin D Deficiency/Insufficiency, Vitamin D StatusArmsVitamin D level, Vitamin D receptor
3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
  3. Vitamin D and Endometriosis: Is There a Mechanistic Link?Cell biochemistry and function · 2025
    Review
  4. Article
  5. Article
  6. Article
  7. Review
  8. Review
  9. Article
  10. Review
  11. Article
  12. Article
  13. Vitamin D and endometriosis: Is there a correlation with disease severity?Clinical and experimental reproductive medicine · 2020
    Article
  14. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Jong Chul BaekDepartment of Obstetrics and Gynecology, Gyeongsang National University Changwon Hospital, Changwon, Korea.
Jae Yoon JoDepartment of Obstetrics and Gynecology, Gyeongsang National University Hospital, Jinju, Korea.
Seon Mi LeeDepartment of Obstetrics and Gynecology, Gyeongsang National University Hospital, Jinju, Korea.
In Ae ChoDepartment of Obstetrics and Gynecology, Gyeongsang National University Hospital, Jinju, Korea.
Jeong Kyu ShinDepartment of Obstetrics and Gynecology, Gyeongsang National University Hospital, Jinju, Korea.
Soon Ae LeeDepartment of Obstetrics and Gynecology, Gyeongsang National University Hospital, Jinju, Korea.
Jong Hak LeeDepartment of Obstetrics and Gynecology, Gyeongsang National University Hospital, Jinju, Korea.
Min-Chul ChoInstitute of Health Sciences, Gyeongsang National University, Jinju, Korea.
Won Jun ChoiDepartment of Obstetrics and Gynecology, Gyeongsang National University Hospital, Jinju, Korea.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo investigate serum 25-hydroxyl vitamin D (25(OH)D) and vitamin D-binding protein (VDBP) concentrations in women with endometriosis according to the severity of disease.

methodsWomen with mild endometriosis (n = 9) and advanced endometriosis (n = 7), as well as healthy controls (n = 16), were enrolled in this observational study. Serum total 25(OH)D concentrations were analyzed using the Elecsys vitamin D total kit with the Cobas e602 module. Concentrations of bioavailable and free 25(OH)D were calculated. Concentrations of VDBP were measured using the Human Vitamin D BP Quantikine ELISA kit. Variables were tested for normality and homoscedasticity using the Shapiro-Wilk test and Leven F test, respectively. Correlation analysis was used to identify the variables related to total 25(OH)D and VDBP levels. To assess the effects of total 25(OH)D and VDBP levels in the three groups, multivariate generalized additive modeling (GAM) was performed.

resultsGravidity and parity were significantly different across the three groups. Erythrocyte sedimentation rate (ESR) and CA-125 levels increased as a function of endometriosis severity, respectively (p= 0.051, p= 0.004). The correlation analysis showed that total 25(OH)D levels were positively correlated with gravidity (r = 0.59, p< 0.001) and parity (r = 0.51, p< 0.003). Multivariate GAM showed no significant relationship of total 25(OH)D levels with EMT severity after adjusting for gravidity and ESR. However, the coefficient of total 25(OH)D levels with gravidity was significant (1.87; 95% confidence interval, 0.12-3.63; p= 0.040).

conclusionThese results indicate that vitamin D and VDBP levels were not associated with the severity of endometriosis.

Indexed as

EndometriosisVitamin DVitamin D-binding protein

Identifiers

PMID31370113
PMCPMC6736508

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.