ArticleCureus2022
Studying the Relation Between Fibromyalgia Severity and Neutrophil-to-Lymphocyte Ratio, Platelet-to-Lymphocyte Ratio, and Mean Platelet Volume.
Article in Cureus, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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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.
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.
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Who cites it
4 citing papers in PubMed, 4 citations in OpenAlex.
- The Neutrophil-to-Lymphocyte Ratio in Fibromyalgia: A Systematic Review with a Neuroimmune Perspective.Brain sciences · 2026Review
- Elevated Monocyte-to-Lymphocyte and Platelet-to-Lymphocyte Ratios Are Associated with Disease Activity and Pain in Fibromyalgia: A Cross-Sectional Study.Journal of clinical medicine · 2025Article
- Neutrophil-Lymphocyte Ratio in Fibromyalgia and Axial Spondyloarthritis: A Potential Biomarker for Diagnosis and Disease Activity.Biomedicines · 2025Article
- Evaluation of the role of inflammation in fibromyalgia through haematological indices: A retrospective study.The Indian journal of medical research · 2025Article
Corrections and comments
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundFibromyalgia is characterized by chronic widespread pain, which has been linked to neuroinflammation. Hematological indices, i.e., neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and mean platelet volume (MPV) have been shown to be effective markers in neurological diseases like depression.
aimsTo study the association between fibromyalgia severity and the hematological indices (NLR, PLR, and MPV). SUBJECTS AND
methodsThis was a hospital-based cross-sectional study of fibromyalgia patients satisfying the 2016 modification of the 2010/11 ACR criteria. Demographic and clinical characteristics were recorded along with fibromyalgia outcomes and hematological indices. Statistical analysis was done using descriptive statistics, ROC analysis using the Youden index, and Pearson and Spearman correlations.
resultsA total of 266 patients were recruited. The (mean ± S.D) NLR, MPV, and PLR were 1.92 ± 1.26, 8.94 ± 1.25, and 119.48 ± 76.91, respectively. Patients with severe visual analog scale (VAS) pain scores had lower MPV (8.8 ± 1.3) than those with mild/moderate pain (9.2 ± 1.1, p = 0.016). MPV showed a mild negative correlation with the Fibromyalgia Impact Questionnaire-Revised (FIQR) score (R2 -0.31 p 0.004). MPV threshold of 8.95 was discriminated severely from mild/moderate VAS-pain score with a sensitivity of 52.3 % and specificity of 66.7%.
conclusionsMPV can possibly be considered as a biomarker for predicting pain severity in fibromyalgia. Given its inexpensive nature, MPV can be used as a cost-effective method to assess fibromyalgia severity in rural India.
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