Aims/hypothesis: The aim of this study was to develop a core outcome set (COS) for trials and other studies evaluating the effectiveness of prepregnancy care for women with pregestational (pre-existing) diabetes mellitus. Methods: A systematic literature review was completed to identify all outcomes reported in prior studies in this area. Key stakeholders then prioritised these outcomes using a Delphi study. The list of outcomes included in the final COS were finalised at a face-to-face consensus meeting. Results: In total, 17 outcomes were selected and agreed on for inclusion in the final COS. These outcomes were grouped under three domains: measures of pregnancy preparation (n = 9), neonatal outcomes (n = 6) and maternal outcomes (n = 2). Conclusions/interpretation: This study identified a COS essential for studies evaluating prepregnancy care for women with pregestational diabetes. It is advocated that all trials and other non-randomised studies and audits in this area use this COS with the aim of improving transparency and the ability to compare and combine future studies with greater ease.

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doi.org/10.1007/s00125-017-4277-4, hdl.handle.net/1765/99266
Diabetologia: clinical and experimental diabetes and metabolism
Erasmus MC: University Medical Center Rotterdam

Egan, A.M. (Aoife M.), Galjaard, S., Maresh, M.J.A. (Michael J. A.), Loeken, M.R. (Mary R.), Napoli, A. (Angela), Anastasiou, E. (Eleni), … Dunne, F. (2017). A core outcome set for studies evaluating the effectiveness of prepregnancy care for women with pregestational diabetes. Diabetologia: clinical and experimental diabetes and metabolism, 60(7), 1190–1196. doi:10.1007/s00125-017-4277-4