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dc.contributor.author
Rocha, Thaís
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Allotey, John
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Palacios, Alfredo Daniel
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Vogel, Joshua Peter
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Smits, Luc
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Carroli, Guillermo
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Mistry, Hema
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Young, Taryn
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Qureshi, Zahida P.
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Cormick, Gabriela
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Snell, Kym I. E.
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Abalos, Edgardo Javier
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Pena Rosas, Juan Pablo
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Khan, Khalid Saeed
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Larbi, Koiwah Koi
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Thorson, Anna
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Singata Madliki, Mandisa
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Hofmeyr, George Justus
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Bohren, Meghan
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Riley, Richard
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Betran, Ana Pilar
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Thangaratinam, Shakila
dc.date.available
2024-02-29T12:12:29Z
dc.date.issued
2023-05
dc.identifier.citation
Rocha, Thaís; Allotey, John; Palacios, Alfredo Daniel; Vogel, Joshua Peter; Smits, Luc; et al.; Calcium supplementation to prevent pre-eclampsia: Protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation; BMJ Publishing Group; BMJ Open; 13; 5; 5-2023; 1-9
dc.identifier.issn
2044-6055
dc.identifier.uri
http://hdl.handle.net/11336/228912
dc.description.abstract
Introduction Low dietary calcium intake is a risk factor for pre-eclampsia, a major contributor to maternal and perinatal mortality and morbidity worldwide. Calcium supplementation can prevent pre-eclampsia in women with low dietary calcium. However, the optimal dose and timing of calcium supplementation are not known. We plan to undertake an individual participant data (IPD) meta-analysis of randomised trials to determine the effects of various calcium supplementation regimens in preventing pre-eclampsia and its complications and rank these by effectiveness. We also aim to evaluate the cost-effectiveness of calcium supplementation to prevent pre-eclampsia. Methods and analysis We will identify randomised trials on calcium supplementation before and during pregnancy by searching major electronic databases including Embase, CINAHL, MEDLINE, CENTRAL, PubMed, Scopus, AMED, LILACS, POPLINE, AIM, IMSEAR, ClinicalTrials.gov and the WHO International Clinical Trials Registry Platform, without language restrictions, from inception to February 2022. Primary researchers of the identified trials will be invited to join the International Calcium in Pregnancy Collaborative Network and share their IPD. We will check each study's IPD for consistency with the original authors before standardising and harmonising the data. We will perform a series of one-stage and two-stage IPD random-effect meta-analyses to obtain the summary intervention effects on pre-eclampsia with 95% CIs and summary treatment-covariate interactions (maternal risk status, dietary intake, timing of intervention, daily dose of calcium prescribed and total intake of calcium). Heterogeneity will be summarised using tau 2, I 2 and 95% prediction intervals for effect in a new study. Sensitivity analysis to explore robustness of statistical and clinical assumptions will be carried out. Minor study effects (potential publication bias) will be investigated using funnel plots. A decision analytical model for use in low-income and middle-income countries will assess the cost-effectiveness of calcium supplementation to prevent pre-eclampsia. Ethics and dissemination No ethical approvals are required. We will store the data in a secure repository in an anonymised format. The results will be published in peer-reviewed journals. PROSPERO registration number CRD42021231276.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
BMJ Publishing Group
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
HEALTH ECONOMICS
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MATERNAL MEDICINE
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PUBLIC HEALTH
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Epidemiología
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Ciencias de la Salud
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CIENCIAS MÉDICAS Y DE LA SALUD
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dc.title
Calcium supplementation to prevent pre-eclampsia: Protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-02-28T10:36:01Z
dc.identifier.eissn
2044-6055
dc.journal.volume
13
dc.journal.number
5
dc.journal.pagination
1-9
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Rocha, Thaís. The University Of Birmingham (tub);
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Fil: Allotey, John. The University Of Birmingham (tub);
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Fil: Palacios, Alfredo Daniel. Instituto de Efectividad Clínica y Sanitaria; Argentina
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Fil: Vogel, Joshua Peter. World Health Organization; Suiza
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Fil: Smits, Luc. Universiteit Maastricht.; Países Bajos
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Fil: Carroli, Guillermo. Centro Rosarino de Estudios Perinatales; Argentina
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Fil: Mistry, Hema. University of Warwick; Reino Unido
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Fil: Young, Taryn. Stellenbosch University; Sudáfrica. South African Medical Research Council; Sudáfrica
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Fil: Qureshi, Zahida P.. University of Nairobi; Kenia
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Fil: Cormick, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; Argentina
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Fil: Snell, Kym I. E.. Keele University; Reino Unido
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Fil: Abalos, Edgardo Javier. Centro Rosarino de Estudios Perinatales; Argentina
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Fil: Pena Rosas, Juan Pablo. World Health Organization; Suiza
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Fil: Khan, Khalid Saeed. Universidad de Granada; España
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Fil: Larbi, Koiwah Koi. Action on Preeclampsia; Ghana
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Fil: Thorson, Anna. World Health Organization; Suiza
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Fil: Singata Madliki, Mandisa. East London Hospital Complex; Sudáfrica
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Fil: Hofmeyr, George Justus. Frere Hospital; Sudáfrica
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Fil: Bohren, Meghan. University of Melbourne; Australia
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Fil: Riley, Richard. Keele University; Reino Unido
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Fil: Betran, Ana Pilar. World Health Organization; Suiza
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Fil: Thangaratinam, Shakila. Birmingham Women’s and Children’s Hospitals NHS Foundation Trust; Reino Unido. University Of Birmingham;
dc.journal.title
BMJ Open
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://bmjopen.bmj.com/lookup/doi/10.1136/bmjopen-2022-065538
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1136/bmjopen-2022-065538
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