Development and evaluation of a standardized registry for diabetes in pregnancy using data from the Northern, North West and East Anglia regional audits

Holman, N. , Lewis-Barned, N., Bell, R., Stephens, H., Modder, J., Gardosi, J., Dornhorst, A., Hillson, R., Young, B. and Murphy, H.R. (2011) Development and evaluation of a standardized registry for diabetes in pregnancy using data from the Northern, North West and East Anglia regional audits. Diabetic Medicine, 28(7), pp. 797-804. (doi: 10.1111/j.1464-5491.2011.03259.x) (PMID:21294773)

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Abstract

Objectives: To develop and evaluate a standardized data set for measuring pregnancy outcomes in women with Type 1 and Type 2 diabetes and to compare recent outcomes with those of the 2002–2003 Confidential Enquiry into Maternal and Child Health. Methods: Existing regional, national and international data sets were compared for content, consistency and validity to develop a standardized data set for diabetes in pregnancy of 46 key clinical items. The data set was tested retrospectively using data from 2007–2008 pregnancies included in three regional audits (Northern, North West and East Anglia). Obstetric and neonatal outcomes of pregnancies resulting in a stillbirth or live birth were compared with those from the same regions during 2002–2003. Results: Details of 1381 pregnancies, 812 (58.9%) in women with Type 1 diabetes and 556 (40.3%) in women with Type 2 diabetes, were available to test the proposed standardized data set. Of the 46 data items proposed, only 16 (34.8%), predominantly the delivery and neonatal items, achieved ≥ 85% completeness. Ethnic group data were available for 746 (54.0%) pregnancies and BMI for 627 (46.5%) pregnancies. Glycaemic control data were most complete—available for 1217 pregnancies (88.1%), during the first trimester. Only 239 women (19.9%) had adequate pregnancy preparation, defined as pre‐conception folic acid and first trimester HbA1c≤ 7% (≤ 53 mmol/mol). Serious adverse outcome rates (major malformation and perinatal mortality) were 55/1000 and had not improved since 2002–2003. Conclusions: A standardized data set for diabetes in pregnancy may improve consistency of data collection and allow for more meaningful evaluation of pregnancy outcomes in women with pregestational diabetes.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Holman, Ms Naomi
Authors: Holman, N., Lewis-Barned, N., Bell, R., Stephens, H., Modder, J., Gardosi, J., Dornhorst, A., Hillson, R., Young, B., and Murphy, H.R.
College/School:College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health
Journal Name:Diabetic Medicine
Publisher:Wiley
ISSN:0742-3071
ISSN (Online):1464-5491
Published Online:05 February 2011

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