Evidence map›Paper›PMID 29661167›Full record

ArticleBMC pregnancy and childbirth2018

Creating an Optimality Index - Netherlands: a validation study.

Suzanne M Thompson, Marianne J Nieuwenhuijze, Luc Budé, Raymond de Vries, Lisa Kane Low

Abstract readValidation Study
In one paragraph

Article in BMC pregnancy and childbirth, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed.

  1. Article
  2. The Effect of delivery method on optimality level and postpartum comfort in primiparous women.European journal of obstetrics & gynecology and reproductive biology: X · 2023
    Article
  3. Article
  4. 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

5 authors.

Suzanne M ThompsonResearch Centre for Midwifery Science Maastricht, Zuyd University, Universiteitssingel 60, 6229ER, Maastricht, The Netherlands. s.thompson@av-m.nl.
Marianne J NieuwenhuijzeResearch Centre for Midwifery Science Maastricht, Zuyd University, Universiteitssingel 60, 6229ER, Maastricht, The Netherlands.
Luc BudéResearch Centre for Midwifery Science Maastricht, Zuyd University, Universiteitssingel 60, 6229ER, Maastricht, The Netherlands.
Raymond de VriesCare and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands.
Lisa Kane LowUniversity of Michigan, Ann Arbor, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAt present, the maternity care system in the Netherlands is being reorganized into an integrated model of care, shifting the focus of midwives to include increasing numbers of births in hospital settings and clients with medium risk profiles. In light of these changes, it is useful for midwives to have a tool which may help them in reflecting upon care practices that promote physiological childbirth practices. The Optimality Index-US is an evidence based tool, designed to measure optimal perinatal care processes and outcomes. It has been validated for use in the United States (OI-US), United Kingdom (OI-UK) and Turkey (OI-TR). The objective of this study was to adapt the OI-US for the Dutch maternity care setting (OI-NL).

methodsTranslation and back translation were applied to create the OI-NL. A panel of maternity care experts (n = 10) provided input for face validation items in the OI-NL. Assessment of inter-rater reliability and ease of use was also conducted. Following this, the OI-NL was used prospectively to collect data on 266 women who commenced intrapartum care under the responsibility of a midwife. Twice groups were compared, based on parity and on care-setting at birth. Mean scores between these groups, corrected for perinatal background factors were assessed for discriminant validity.

resultsFace validity was established for OI-NL on the basis of expert input. Discriminant validity was confirmed by conducting multiple regressions analyses for parity (β = 6.21, P = 0.00) and for care-setting (β = 12.1, p = 0.00). Inter-rater reliability was 98%, with one item (Apgar score) sensitive to scoring differences.

conclusionOI-NL is a valid and reliable tool for use in the Dutch maternity care setting. In addition to its value for assessing evidence-based maternity care processes and outcomes, there is potential for use for learning and reflection. Against the backdrop of a changing maternity care system, and due to the specificity of its items OI-NL may be of value as a tool for detecting subtle changes indicative of escalating medicalization of childbirth in the Netherlands.

Indexed as

AdultDelivery, ObstetricDelivery of Health CareFemaleHumansMedicalizationMidwiferyNetherlandsObserver VariationObstetricsPerinatal CarePregnancyPregnancy OutcomeQuality Indicators, Health CareRegression AnalysisReproducibility of ResultsOptimalityOptimality Index-NetherlandsPhysiological childbirthThe NetherlandsValidation

Identifiers

PMID29661167
PMCPMC5902845

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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.