Evidence map›Paper›PMID 34987726›Full record

ArticleIndian journal of orthopaedics2020

There is No Link Between Birth Weight and Developmental Dysplasia of the Hip.

Charlotte Hanratty, Balamurugan Thyagarajan, Nicholas M Clarke, Alexander Aarvold

Open access · hybridAbstract read
In one paragraph

Article in Indian journal of orthopaedics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.6field-weighted citation impact, top 31% 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

6 citing papers in PubMed, 5 citations in OpenAlex.

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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

4 authors at 3 institutions in 1 country.

Charlotte HanrattyUniversity of Southampton, Southampton, UK.ORCID 0000-0003-4053-5395
Balamurugan ThyagarajanPrincess Anne Maternity Hospital, University Hospital Southampton, Southampton, UK.
Nicholas M ClarkeUniversity of Southampton, Southampton, UK.
Alexander AarvoldDepartment of Paediatric Orthopaedic Surgery, Southampton Children's Hospital, University Hospitals Southampton NHS Foundation Trust, University of Southampton, Tremona Raod, Southampton, SO16 6YD UK.
University of Southampton · GBPrincess Anne Hospital · GBUniversity Hospital Southampton NHS Foundation Trust · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimsDevelopmental Dysplasia of the Hip (DDH) has been linked to high birth weight and packaging disorders, though the evidence is limited. This has implications on screening strategies. The aim of this study was to establish whether birth weight was truly associated with the incidence of DDH. PATIENTS AND

methodsThis cohort study analysed the birth weights of all babies born at our institution over a 24 month period, between 01/01/2017 and 01/01/2019. Babies with DDH and those without DDH were compared. Babies were excluded if born before 38 weeks, had incomplete data or were a non-singleton pregnancy. Sub-analysis was performed for DDH severity (dysplastic versus subluxed/dislocated hips), breech presentation, gestational age, gender and ethnicity. Statistical analysis was performed using SPSS.

resultsThere were 10,113 babies born at our institution during the selected timeframe, of which 884 were excluded for prematurity, 336 for being non-singleton and 19 for incomplete data. This left 8874 for analysis, of which 95 babies had confirmed DDH. Both the Non-DDH and DDH data sets had normal distribution (Shapiro-Wilkes,

conclusionThis study discredits the belief that DDH may be related to higher birth weight, thus casting doubt on the link to DDH being a packaging problem in utero. This, therefore, allows future research to prioritise the investigation of alternative aetiologies.

Indexed as

Birth weightDevelopmental Hip DysplasiaDislocatedPackaging disorderReduced but dislocatableReduced but dysplastic

Identifiers

PMID34987726
PMCPMC8688636
OpenAlexW3196377409

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

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.