Maryam Saeedi1, Yang Cao2, Helena Fadl3, Hanne Gustafson4, David Simmons5. 1. Department of Obstetrics and Gynecology, Faculty of Medicine and Health, Örebro University, SE 70182 Örebro, Sweden. Electronic address: Maryam.saeedi@regionorebrolan.se. 2. Department of Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, SE 70 182 Örebro, Sweden. 3. Department of Obstetrics and Gynecology, Faculty of Medicine and Health, Örebro University, SE 70182 Örebro, Sweden. 4. Department of Geriatrics, Örebro University Hospital, Region Örebro County, PO Box 1613, SE-701 16, Sweden. 5. Macarthur Clinical School, Western Sydney University, Campbelltown, Australia; Faculty of Medicine and Health, Örebro University, SE 70182 Örebro, Sweden.
Abstract
AIMS: Quantify the proportional increase in gestational diabetes (GDM) prevalence when implementing the new International Association of Diabetes and Pregnancy Study Groups (IADPSG) criteria compared to prior GDM criteria, and to assess risk factors that might affect the change in prevalence. METHODS: A systematic review and meta-analysis was performed of cohort and cross-sectional studies between January 1, 2010 to December 31, 2018 among pregnant women with GDM using IADPSG criteria compared to, and stratified by, old GDM criteria. Web of science, PubMed, EMBASE, Cochrane, Open Grey and Grey literature reports were included. The relative risk for each study was calculated. Subgroup analyses were performed by maternal age, body mass index, study design, country of publication, screening method, sampling method and data stratified according to diagnostic criteria. RESULTS: Thirty-one cohort and cross-sectional studies with 136 705 women were included. Implementing the IADPSG criteria was associated with a 75% (RR 1.75, 95% CI 1.53-2.01) increase in number of women with GDM with evidence of heterogeneity. CONCLUSIONS: The IADPSG criteria increase the prevalence of GDM, but allow movement towards more homogeneity. More studies are needed of the benefits, harms, psychological effects and health costs of implementing the IADPSG criteria.
AIMS: Quantify the proportional increase in gestational diabetes (GDM) prevalence when implementing the new International Association of Diabetes and Pregnancy Study Groups (IADPSG) criteria compared to prior GDM criteria, and to assess risk factors that might affect the change in prevalence. METHODS: A systematic review and meta-analysis was performed of cohort and cross-sectional studies between January 1, 2010 to December 31, 2018 among pregnant women with GDM using IADPSG criteria compared to, and stratified by, old GDM criteria. Web of science, PubMed, EMBASE, Cochrane, Open Grey and Grey literature reports were included. The relative risk for each study was calculated. Subgroup analyses were performed by maternal age, body mass index, study design, country of publication, screening method, sampling method and data stratified according to diagnostic criteria. RESULTS: Thirty-one cohort and cross-sectional studies with 136 705 women were included. Implementing the IADPSG criteria was associated with a 75% (RR 1.75, 95% CI 1.53-2.01) increase in number of women with GDM with evidence of heterogeneity. CONCLUSIONS: The IADPSG criteria increase the prevalence of GDM, but allow movement towards more homogeneity. More studies are needed of the benefits, harms, psychological effects and health costs of implementing the IADPSG criteria.
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