Evidence map›Paper›PMID 35937795›Full record

SynthesisFrontiers in endocrinology2022

Association of Serum Bilirubin With Metabolic Syndrome and Non-Alcoholic Fatty Liver Disease: A Systematic Review and Meta-Analysis.

Chen Liang, Zhiyuan Yu, Li Bai, Wei Hou, Shan Tang, Wei Zhang, Xinyue Chen, Zhongjie Hu, Zhongping Duan, Sujun Zheng

Open access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Frontiers in endocrinology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
2.9field-weighted citation impact, top 8% of its field
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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
  2. Risk Assessment for Drug-Induced Hyperbilirubinemia: A Mechanistic Approach.CPT: pharmacometrics & systems pharmacology · 2026
    Article
  3. Article
  4. Article
  5. Article
  6. [Expert consensus on the diagnosis and therapy of inherited hyperbilirubinemia (version 2025)].Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2025
    Article
  7. Article
  8. Bilirubin metabolism and its application in disease prevention: mechanisms and research advances.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2025
    Review
  9. Article
  10. Review
  11. Review
  12. Article
  13. Review
  14. Article
  15. Bilirubin metabolism in relation to cancer.Frontiers in oncology · 2025
    Review
  16. Article
  17. Article
  18. Article
  19. The Multifaceted Role of Bilirubin in Liver Disease: A Literature Review.Journal of clinical and translational hepatology · 2024
    Review
  20. Article
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

10 authors at 3 institutions in 1 country.

Chen LiangFirst Department of Liver Disease, Beijing You'an Hospital, Capital Medical University, Beijing, China.
Zhiyuan YuSchool of Medicine, Nankai University, Tianjin, China.
Li BaiBeijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment Research, Beijing You'an Hospital, Capital Medical University, Beijing, China.
Wei HouFirst Department of Liver Disease, Beijing You'an Hospital, Capital Medical University, Beijing, China.
Shan TangFirst Department of Liver Disease, Beijing You'an Hospital, Capital Medical University, Beijing, China.
Wei ZhangFirst Department of Liver Disease, Beijing You'an Hospital, Capital Medical University, Beijing, China.
Xinyue ChenFirst Department of Liver Disease, Beijing You'an Hospital, Capital Medical University, Beijing, China.
Zhongjie HuFirst Department of Liver Disease, Beijing You'an Hospital, Capital Medical University, Beijing, China.
Zhongping DuanBeijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment Research, Beijing You'an Hospital, Capital Medical University, Beijing, China.
Sujun ZhengFirst Department of Liver Disease, Beijing You'an Hospital, Capital Medical University, Beijing, China.
Beijing YouAn Hospital · CNCapital Medical University · CNNankai University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objective: Metabolic syndrome (MetS) and non-alcoholic fatty liver disease (NAFLD) are the leading chronic diseases worldwide. There are still many controversies about the association between serum bilirubin and MetS or NAFLD. This study aims to evaluate the association of serum total bilirubin (TBIL), direct bilirubin (DBIL), indirect bilirubin (IBIL) with MetS and NAFLD. Methods: Multiple databases were searched for relevant studies until November 2021. Randomized controlled trials, cross-sectional and cohort studies evaluating the association between serum bilirubin levels and MetS or NAFLD were included. Results: Twenty-four cross-sectional and cohort studies with 101, 517 participants were finally analyzed. Fifteen studies and 6 studies evaluated the association between bilirubin and MetS or NAFLD in health screening population, respectively, while 3 studies evaluated the association between bilirubin and non-alcoholic steatohepatitis (NASH) in NAFLD patients. Random effect model analysis showed the inverse association between TBIL and MetS in male (95%CI=0.71-0.96) and gender-neutral (95%CI=0.61-0.91) group. However, no significant association was found in females. Notably, the inverse association between DBIL and MetS was noticed in male (95%CI=0.36-0.75), female (95%CI=0.16-0.58) and gender-neutral population (95%CI=0.67-0.92). IBIL level was inversely associated with MetS in females (95%CI=0.52-0.96), whereas no statistical correlation presented in males. TBIL was not statistically correlated with NAFLD in gender-neutral or male subgroup. Similarly, there were no association between DBIL or IBIL and NAFLD in gender-neutral subgroup. However, the negative correlation between DBIL and NAFLD existed in males (95%CI=0.76-0.96). In NAFLD patients, IBIL analysis showed an inverse association with NASH (95%CI=0.01-0.12). Conclusion: Serum TBIL and DBIL levels, especially DBIL levels, assume an inverse correlation with MetS in healthy population. Serum IBIL is inversely associated with the onset and degree of NASH in NAFLD patients. Exogenous bilirubin supplement may be a potential strategy to assist in lowering the risk of developing MetS and NAFLD. Systematic Review Registration: https://www.crd.york.ac.uk/prospero/, identifier CRD42021293349.

Indexed as

Metabolic SyndromeNon-alcoholic Fatty Liver DiseaseBilirubinCross-Sectional StudiesFemaleHumansLiver Function TestsMaleBilirubinmeta-analysismetabolic syndromenon-alcoholic fatty liver diseasenon-alcoholic steatohepatitisserum bilirubin

Identifiers

PMID35937795
PMCPMC9346511
OpenAlexW4285993020

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.