Evidence map›Paper›PMID 38000828›Full record

ArticleBMJ open2023

Association between preterm delivery and subsequent maternal risk of hypertension and type 2 diabetes mellitus in a UK population-based retrospective cohort study.

Ami Song, Kelvin Okoth, Nicola J Adderley

Open access · goldAbstract read
In one paragraph

Article in BMJ open, 2023. 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
0.6field-weighted citation impact, top 28% 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

1 citing paper in PubMed, 2 citations in OpenAlex.

  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

3 authors at 2 institutions in 1 country.

Ami SongInstitute of Applied Health Research, University of Birmingham, Birmingham, UK.ORCID 0009-0005-8475-2836
Kelvin OkothInstitute of Applied Health Research, University of Birmingham, Birmingham, UK.ORCID 0000-0002-2745-4083
Nicola J AdderleyInstitute of Applied Health Research, University of Birmingham, Birmingham, UK n.j.adderley@bham.ac.uk.ORCID 0000-0003-0543-3254
University of Birmingham · GBNIHR Birmingham Biomedical Research Centre · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesWomen with a history of preterm delivery (PTD) are at higher risk of developing cardiovascular diseases (CVD) later in life. However, it is not well established whether PTD is associated with CVD risk factors, hypertension and type 2 diabetes mellitus (T2DM). Therefore, in this study, we examined the associations between PTD compared with term delivery and subsequent risk of hypertension and T2DM.

designRetrospective matched population-based open cohort study.

settingClinical Practice Research Datalink GOLD data in the UK.

participantsA total of 3335 18-49-year-old women with preterm delivery were matched by age and region to 12 634 without a record of preterm delivery. PRIMARY OUTCOME MEASURES: Outcomes of interest were newly diagnosed hypertension or T2DM at least 6 months after delivery. During the study period (January 2000-December 2019), hypertension or T2DM events in the medical records of women with (exposed) and without (unexposed) preterm delivery were compared. HR and 95% CI were estimated using Cox proportional hazards models adjusted for potential confounders.

resultsOver a median follow-up period of 5.11 (IQR 2.15-9.56) years, the HRs for hypertension in women who delivered preterm compared with women who delivered at term were 1.42 (95%CI 1.09 to 1.80) and 1.18 (95%CI 0.90 to 1.56) in the unadjusted and adjusted models, respectively. For T2DM, over a median follow-up period of 5.17 (IQR 2.18-9.67) years, the HRs in women who delivered preterm compared with those who delivered at term were 1.67 (95%CI 1.12 to 2.48) and 1.10 (95%CI 0.72 to 1.68) in the unadjusted and adjusted models, respectively.

conclusionWe found no independent effect of preterm delivery on risk of hypertension or type 2 diabetes in this study. While significant associations were observed in unadjusted analyses, associations were lost after adjustment and may be attributable to other reproductive complications. Additional studies are needed to confirm these findings.

Indexed as

Cardiovascular DiseasesDiabetes Mellitus, Type 2HypertensionPremature BirthCohort StudiesFemaleHumansInfant, NewbornRetrospective StudiesRisk FactorsUnited Kingdomdiabetes & endocrinologyepidemiologic studiesgynaecologyhypertension

Identifiers

PMID38000828
PMCPMC10679993
OpenAlexW4388980235

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LicenceCC BY-NC
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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.