Evidence map›Paper›PMID 34196844›Full record

ArticleJournal of bone and mineral metabolism2021

Elevated red blood cell distribution width is associated with poor outcome in osteoporotic vertebral fracture.

Yoshihito Sakai, Norimitsu Wakao, Hiroki Matsui, Tsuyoshi Watanabe, Hiroki Iida, Akira Katsumi

Abstract read
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In one paragraph

Article in Journal of bone and mineral metabolism, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.8field-weighted citation impact, top 17% 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

9 citing papers in PubMed, 13 citations in OpenAlex.

  1. Article
  2. Review
  3. Clinical Factors Contributing to Age-Related Gait Dysfunction in Older Adults.Geriatric orthopaedic surgery & rehabilitation · 2025
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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

6 authors at 1 institution in 1 country.

Yoshihito SakaiDepartment of Orthopaedic Surgery, National Center for Geriatrics and Gerontology, 35 Gengo, Obu, Aichi, Japan. jsakai@ncgg.go.jp.ORCID http://orcid.org/0000-0001-6507-7859
Norimitsu WakaoDepartment of Orthopaedic Surgery, National Center for Geriatrics and Gerontology, 35 Gengo, Obu, Aichi, Japan.
Hiroki MatsuiDepartment of Orthopaedic Surgery, National Center for Geriatrics and Gerontology, 35 Gengo, Obu, Aichi, Japan.
Tsuyoshi WatanabeDepartment of Orthopaedic Surgery, National Center for Geriatrics and Gerontology, 35 Gengo, Obu, Aichi, Japan.
Hiroki IidaDepartment of Orthopaedic Surgery, National Center for Geriatrics and Gerontology, 35 Gengo, Obu, Aichi, Japan.
Akira KatsumiDepartment of Hematology, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan.
National Center for Geriatrics and Gerontology · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionRed blood cell distribution width (RDW) has been evaluated as a potential screening marker for cancer and prognostic marker in heart failure and coronary heart disease. Recent studies have been suggested the association of RDW with mortality in patients with hip fracture and arthroplasty. Objective of this study was to investigate whether RDW as a prognostic marker is significant in patients with osteoporotic vertebral fracture (OVF). MATERIALS AND

methodsTotal of 460 patients with fresh OVF from January 2014 and September 2017 were assessed for a 1-year follow-up period. The cutoff value for RDW was set at 15%, and outcomes of conservative treatment of OVF were evaluated using the Japanese Orthopaedic Association (JOA) scores, Barthel index, and walking state.

resultsOf the total 460 patients, 125 patients (27.2%) had an elevated RDW. RDW value was not correlated with osteoporotic parameters. Both JOA score and Barthel index were significantly lower at 1 year after treatment in the elevated RDW group. In the elevated RDW group, 21 patients died within 1 year (mortality 16.8%) compared with 7 patients (mortality 2.1%) in the non-elevated RDW group; this was statistically significant. Multivariate statistical analysis showed elevated RDW, independent walk before OVF and skeletal muscle mass index (SMI) remained independent factors associated with abasia after OVF affected.

conclusionElevated RDW was associated with the poor clinical outcomes of conservative treatment of an OVF, independent of osteoporosis or severity of the OVF. RDW provides prognostic information for risk stratification as a senescence biomarker.

Indexed as

Osteoporotic FracturesSpinal FracturesErythrocyte IndicesErythrocytesHumansPrognosisSpineOsteoporosisOsteoporotic vertebral fractureRed blood cell distribution widthSarcopeniaWalking ability

Identifiers

PMID34196844
OpenAlexW3173687989

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Registered trials

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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.