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Ann Pediatr Endocrinol Metab. 2018 Sep;23(3):136-140. doi: 10.6065/apem.2018.23.3.136. Epub 2018 Sep 28.

Evaluation of bone mineral status in prepuberal children with newly diagnosed type 1 diabetes.

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Department of Pediatrics, Ajou University Hospital, Ajou University School of Medicine, Suwon, Korea.
Department of Pediatrics, Korea Cancer Center Hospital, Seoul, Korea.



Many studies have reported that patients with type 1 diabetes have reduced bone mineral density (BMD). We assessed bone status in prepubertal children with type 1 diabetes mellitus (type 1 DM) at initial diagnosis and investigated factors associated with BMD.


Prepubertal children (n=29) with newly diagnosed type 1 diabetes from 2006 to 2014 were included. Dual-energy X-ray absorptiometry measured regional and whole-body composition at initial diagnosis. BMD was compared with healthy controls matched for age, sex, and body mass index (BMI).


The mean age of all subjects (16 boys and 13 girls) was 7.58±1.36 years (range, 4.8-11.3 years). Initial mean glycosylated hemoglobin (HbA1c) level was 12.2%±1.9%. The mean BMD z-scores of lumbar spine, femur neck, and total body were not significantly different between patients and controls. Three patients (10.3%) had low bone density (total body BMD standard deviation score [SDS] < -2.0). To identify determinants of lumbar spine BMD z-score, multivariate regression analysis was performed with stepwise variable selection of age, pubertal status, BMI SDS, insulin like growth factor-1, and HbA1c. Only BMI SDS was significantly correlated with lumbar spine BMD z-score (β=0.395, P=0.023).


Prepubertal children with newly diagnosed type 1 DM had similar bone mass compared to healthy peers. However, patients with low BMI should be carefully monitored for bone density in type 1 DM.


Body mass index; Child; Type 1 diabetes; Bone mineral density

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