Evidence map›Paper›PMID 38089627›Full record

SynthesisFrontiers in endocrinology2023

Association between the neutrophil-to-lymphocyte ratio and cognitive impairment: a meta-analysis of observational studies.

Kuo-Chuan Hung, Chien-Cheng Liu, Jheng-Yan Wu, Chun-Ning Ho, Ming-Chung Lin, Chung-Hsi Hsing, I-Wen Chen

Abstract readMeta-Analysis
In one paragraph

Synthesis in Frontiers in endocrinology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–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.

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

11 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Neutrophil-to-Lymphocyte Ratio in the Alzheimer's Disease Continuum.International journal of molecular sciences · 2025
    Review
  10. Article
  11. 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

7 authors.

Kuo-Chuan HungSchool of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung, Taiwan.
Chien-Cheng LiuDepartment of Anesthesiology, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan.
Jheng-Yan WuDepartment of Nutrition, Chi Mei Medical Center, Tainan, Taiwan.
Chun-Ning HoDepartment of Anesthesiology, Chi Mei Medical Center, Tainan, Taiwan.
Ming-Chung LinDepartment of Anesthesiology, Chi Mei Medical Center, Tainan, Taiwan.
Chung-Hsi HsingDepartment of Anesthesiology, Chi Mei Medical Center, Tainan, Taiwan.
I-Wen ChenDepartment of Anesthesiology, Chi Mei Medical Center, Liouying, Tainan, Taiwan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Systemic inflammation is one of the underlying mechanisms of cognitive impairment. The neutrophil-to-lymphocyte ratio (NLR) has emerged as a systemic inflammation indicator. This meta-analysis aimed to evaluate the association between high NLR and cognitive impairment (CI) risk. Method: A comprehensive systematic search was conducted to identify eligible studies published until May 30, 2023. The reference group comprised patients with the lowest NLR level, whereas the exposure group comprised those with the highest NLR level. The main outcome was to examine the relationship between NLR and CI risk. The secondary outcome included the association between patient characteristics or comorbidities and CI risk. Results: This meta-analysis included 11 studies published between 2018 and 2023, involving 10,357 patients. Patients with CI had a higher NLR than those without (mean difference=0.35, 95% confidence interval [CI]: 0.26-0.44, Conclusion: This meta-analysis showed a significant association between high NLR and increased CI risk. Moreover, meta-regression identified diabetes and hypertension, but not age, as significant moderating factors in the relationship between NLR and CI. To validate and strengthen these findings, further large-scale studies are required. Systematic Review Registration: https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42023430384, identifier CRD42023430384.

Indexed as

Cognitive DysfunctionDiabetes MellitusHypertensionHumansInflammationLymphocyte CountLymphocytesMaleNeutrophilsObservational Studies as Topicagecognitive impairmentmeta-analysismild cognitive impairmentneutrophil-to-lymphocyte ratio

Identifiers

PMID38089627
PMCPMC10715314

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.