Evidence map›Paper›PMID 42318771›Full record

ArticleBioMed research international2026

Rapid Measurement of Erythrocyte Sedimentation Rate Using a Tube Positioned at a 45° Angle Compared With the Westergren Reference Method.

Francis Agyei Amponsah, Benedicta Serwaa Obeng, Otchere Addai-Mensah, Lilian Antwi Boateng, Benedict Sackey, Isaac Acheampong, Prince Adoba, Edward Yaw Afriyie, Anthony Dwamena, Samuel Kwasi Appiah and 2 more

Abstract readComparative Study
PubMed Full text at PMC Publisher
In one paragraph

Article in BioMed research international, 2026. 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

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

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

12 authors.

Francis Agyei AmponsahDepartment of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, knust.edu.gh.ORCID https://orcid.org/0000-0002-6604-1281
Benedicta Serwaa ObengDepartment of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, knust.edu.gh.
Otchere Addai-MensahDepartment of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, knust.edu.gh.ORCID https://orcid.org/0000-0001-9225-5876
Lilian Antwi BoatengDepartment of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, knust.edu.gh.
Benedict SackeyDepartment of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, knust.edu.gh.
Isaac AcheampongDepartment of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, knust.edu.gh.ORCID https://orcid.org/0000-0002-6065-3594
Prince AdobaDepartment of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, knust.edu.gh.
Edward Yaw AfriyieDepartment of Haematology, Komfo Anokye Teaching Hospital, Kumasi, Ghana, kathhsp.org.
Anthony DwamenaSunyani Municipal Hospital, Sunyani, Ghana.
Samuel Kwasi AppiahDepartment of Haematology, School of Allied Health Sciences, University for Development Studies, Tamale, Ghana, uds.edu.gh.ORCID https://orcid.org/0000-0003-1855-5840
Philip Amo-KodiehLaboratory Department, St. John of God Hospital, Duayaw Nkwanta, Ghana.
Felicia Broni NarteyLaboratory Department, St. John of God Hospital, Duayaw Nkwanta, Ghana.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe erythrocyte sedimentation rate (ESR) is a routine hematological test that can detect and track an increase in the body's inflammatory activity caused by infections, tumors, or autoimmune diseases. Although the test has lower specificity than C-reactive protein in assessing inflammation, it is widely used in resource-limited countries such as Ghana due to its low cost and ease of performance. The conventional Westergren method of ESR estimation takes 1 h, and this could hinder the availability of results in routine clinical workflows. It is in view of this that the present study sought to reduce the turnaround time without compromising on test accuracy by using a method that involved positioning the tube at an angle of 45°.

methodsThis experimental analytical method comparison study recruited 100 participants (50 pregnant and 50 healthy blood donors) aged between 15 and 40 years. Five milliliters of venous blood was taken from each participant and added to trisodium citrate anticoagulant in a fixed blood-to-anticoagulant ratio of 4:1. For each study participant, two Westergren-Katz tubes were filled with the diluted blood to the 200 mm mark, and one was held vertically at 90° while the other was set at an angle of 45° at room temperature. The ESR value was recorded after 1 h for the vertically (90°) set tube, while the ESR value was read every minute for 10 min for the tube placed at an angle of 45°.

resultsESR results obtained from the 6

conclusionThis study proved that the turnaround time for the ESR test could be reduced to 8 min if the tube is positioned at an angle of 45°.

Indexed as

Blood SedimentationAdolescentAdultBlood DonorsFemaleHumansPregnancyYoung Adultblood donorserythrocyte sedimentation ratepregnant womenWestergren method

Identifiers

PMID42318771
PMCPMC13280657

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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.