Evidence map›Paper›PMID 40221560›Full record

ArticleScientific reports2025

Clinical significance of the hemoglobin-to-red blood cell distribution width ratio in patients with severe OSAS.

Ni Tan, Yuan He, Guangcai Li, Peijun Liu

Abstract read
In one paragraph

Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

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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

1 citing paper in PubMed.

  1. 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

4 authors.

Ni Tan *Department of Respiratory and Critical Care Medicine, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, China.
Yuan He *Department of Ultrasonography, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, China.
Guangcai LiDepartment of Respiratory and Critical Care Medicine, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, China.
Peijun LiuDepartment of Respiratory and Critical Care Medicine, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, China. lpjwalk@163.com.

Funding

the Enshi Science and Technology Program D20200018the Natural Science Foundation of Hubei Province 2023AFD074
6 · The paper itself

Abstract

This study aimed to evaluate the clinical significance of the hemoglobin-to-red blood cell distribution width ratio (HRR) in patients with severe obstructive sleep apnea syndrome (OSAS). A retrospective analysis was conducted on 216 patients who underwent polysomnography (PSG) between January 2018 and February 2023. Patients were divided into two groups according to the apnea-hypopnea index (AHI): severe OSAS (n = 131) and non-severe OSAS (n = 85). Comparisons were performed between the two groups regarding baseline characteristics, AHI, minimum blood oxygen saturation (MinSaO₂), and hematological parameters including white blood cell (WBC) count, red blood cell (RBC) count, platelet count (PLT), hemoglobin (Hb), red blood cell distribution width (RDW), hematocrit (HCT), mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC), and HRR. Correlation analyses were conducted to assess relationships between AHI, MinSaO₂, and HRR in the severe OSAS group. Receiver operating characteristic (ROC) curve analysis revealed that HRR had an area under the curve (AUC) of 0.84 for predicting severe OSAS, with a sensitivity of 81.68%, specificity of 72.94%, and 95% confidence interval (CI) of 0.784-0.886. The levels of AHI, MinSaO₂, Hb, and HRR were significantly higher in the severe OSAS group. Elevated AHI levels may indicate an increased risk of severe OSAS. HRR may serve as an early predictive biomarker for severe OSAS, facilitating timely intervention and potentially reducing complication risks.

Indexed as

Erythrocyte IndicesErythrocytesHemoglobinsSleep Apnea, ObstructiveAdultAgedClinical RelevanceFemaleHumansMaleMiddle AgedPolysomnographyRetrospective StudiesROC CurveSeverity of Illness IndexHemoglobinsAHIHRROSASPredictive biomarkersROC

Identifiers

PMID40221560
PMCPMC11993702

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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.