Evidence map›Paper›PMID 39080360›Full record

ArticleScientific reports2024

Variations in the use of oxytocin for augmentation of labour in Sweden: a population-based cohort study.

Karin Johnson, Kari Johansson, Charlotte Elvander, Sissel Saltvedt, Malin Edqvist

Abstract read
In one paragraph

Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Article
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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

5 authors.

Karin JohnsonClinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden. karin.johnson@ki.se.ORCID http://orcid.org/0000-0002-0147-7084
Kari JohanssonClinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.ORCID http://orcid.org/0000-0002-1497-3079
Charlotte ElvanderClinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.ORCID http://orcid.org/0000-0003-1401-1539
Sissel SaltvedtDepartment of Women's Health and Health Professions, Karolinska University Hospital, Stockholm, Sweden.ORCID http://orcid.org/0000-0003-1615-2829
Malin EdqvistClinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.ORCID http://orcid.org/0000-0002-0968-6534

Funding

The Swedish Research Council for Health, Working Life and Welfare 2020-01209
6 · The paper itself

Abstract

National Swedish data shows substantial variation in the use of oxytocin for augmentation of spontaneous labour between obstetric units. This study aimed to investigate if variations in the use of oxytocin augmentation are associated with maternal and infant characteristics or clinical factors. We used a cohort design including women allocated to Robson group 1 (nulliparous women, gestational week ≥ 37 + 0, with singleton births in cephalic presentation and spontaneous onset of labour) and 3 (parous women, gestational week ≥ 37 + 0, with singleton births in cephalic presentation, spontaneous onset of labour, and no previous caesarean birth). Crude and adjusted logistic regression models with marginal standardisation were used to estimate risk ratios (RR) and risk differences (RD) with 95% confidence intervals (CI) for oxytocin use by obstetric unit. An interaction analysis was performed to investigate the potential modifying effect of epidural. The use of oxytocin varied between 47 and 73% in Robson group 1, and 10% and 33% in Robson group 3. Compared to the remainder of Sweden, the risk of oxytocin augmentation ranged from 13% lower (RD - 13.0, 95% CI - 15.5 to - 10.6) to 14% higher (RD 14.0, 95% CI 12.3-15.8) in Robson group 1, and from 6% lower (RD - 5.6, 95% CI - 6.8 to - 4.5) to 18% higher (RD 17.9, 95% CI 16.5-19.4) in Robson group 3. The most notable differences in risk estimates were observed among women in Robson group 3 with epidural. In conclusion, variations in oxytocin use remained despite adjusting for risk factors. This indicates unjustified differences in use of oxytocin in clinical practice.

Indexed as

OxytocinAdultCohort StudiesFemaleHumansLabor, ObstetricOxytocicsPregnancySwedenYoung AdultOxytocicsOxytocinCohort studyEpidural analgesiaMedical interventionsOxytocin augmentationRobson classification

Identifiers

PMID39080360
PMCPMC11289380

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