Evidence map›Paper›PMID 24642526›Full record

ArticlePloS one2014

Haematological reference intervals in a multiethnic population.

Angeli Ambayya, Anselm Ting Su, Nadila Haryani Osman, Nik Rosnita Nik-Samsudin, Khadijah Khalid, Kian Meng Chang, Jameela Sathar, Jay Suriar Rajasuriar, Subramanian Yegappan

Abstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 1 pooled it
–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

29 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  8. Common Hematological Reference Indices Among Healthy Reproductive Age Indian Women-Data Subset from Nationwide Study.Indian journal of hematology & blood transfusion : an official journal of Indian Society of Hematology and Blood Transfusion · 2024
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  15. Cancer incidence following a high-normal platelet count: cohort study using electronic healthcare records from English primary care.The British journal of general practice : the journal of the Royal College of General Practitioners · 2020
    Article
  16. CALIPER Hematology Reference Standards (II).American journal of clinical pathology · 2020
    Article
  17. Article
  18. Observational
  19. [Anemia in the aged].Zeitschrift fur Gerontologie und Geriatrie · 2018
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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

9 authors.

Angeli AmbayyaDepartment of Haematology, Hospital Ampang, Ampang, Selangor, Malaysia.
Anselm Ting SuDepartment of Community Medicine and Public Health, Universiti Malaysia Sarawak, Kuching, Sarawak, Malaysia.
Nadila Haryani OsmanDepartment of Haematology, Hospital Ampang, Ampang, Selangor, Malaysia.
Nik Rosnita Nik-SamsudinDepartment of Haematology, Hospital Ampang, Ampang, Selangor, Malaysia.
Khadijah KhalidDepartment of Haematology, Hospital Ampang, Ampang, Selangor, Malaysia.
Kian Meng ChangDepartment of Haematology, Hospital Ampang, Ampang, Selangor, Malaysia.
Jameela SatharDepartment of Haematology, Hospital Ampang, Ampang, Selangor, Malaysia.
Jay Suriar RajasuriarDepartment of Haematology, Hospital Ampang, Ampang, Selangor, Malaysia.
Subramanian YegappanDepartment of Haematology, Hospital Ampang, Ampang, Selangor, Malaysia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionSimilar to other populations, full blood count reference (FBC) intervals in Malaysia are generally derived from non-Malaysian subjects. However, numerous studies have shown significant differences between and within populations supporting the need for population specific intervals.

methodsTwo thousand seven hundred twenty five apparently healthy adults comprising all ages, both genders and three principal races were recruited through voluntary participation. FBC was performed on two analysers, Sysmex XE-5000 and Unicel DxH 800, in addition to blood smears and haemoglobin analysis. Serum ferritin, soluble transferrin receptor and C-reactive protein assays were performed in selected subjects. All parameters of qualified subjects were tested for normality followed by determination of reference intervals, measures of central tendency and dispersion along with point estimates for each subgroup.

resultsComplete data was available in 2440 subjects of whom 56% (907 women and 469 men) were included in reference interval calculation. Compared to other populations there were significant differences for haemoglobin, red blood cell count, platelet count and haematocrit in Malaysians. There were differences between men and women, and between younger and older men; unlike in other populations, haemoglobin was similar in younger and older women. However ethnicity and smoking had little impact. 70% of anemia in premenopausal women, 24% in postmenopausal women and 20% of males is attributable to iron deficiency. There was excellent correlation between Sysmex XE-5000 and Unicel DxH 800.

conclusionOur data confirms the importance of population specific haematological parameters and supports the need for local guidelines rather than adoption of generalised reference intervals and cut-offs.

Indexed as

AdolescentAdultAgedAged, 80 and overAge FactorsAnemia, Iron-DeficiencyAsian PeopleBlood Cell CountC-Reactive ProteinFemaleFerritinsHematocritHemoglobinsHumansMalaysiaMaleC-Reactive ProteinFerritinsHemoglobinsReceptors, Transferrin

Identifiers

PMID24642526
PMCPMC3958408

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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.