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International Journal of Endocrinology
Volume 2017, Article ID 7174958, 7 pages
Clinical Study

Self-Monitoring of Blood Glucose to Assess Dawn Phenomenon in Chinese People with Type 2 Diabetes Mellitus

1Department of Endocrinology, Huadong Hospital Affiliated to Fudan University, 221 Yananxi Road, Shanghai 200040, China
2Shanghai Key Laboratory of Clinical Geriatric Medicine, 221 Yananxi Road, Shanghai 200040, China

Correspondence should be addressed to Haidong Wang; nc.moc.liamdem@gnodiahgnaw

Received 8 October 2016; Revised 19 December 2016; Accepted 29 December 2016; Published 21 March 2017

Academic Editor: Michael Horowitz

Copyright © 2017 Wen Wu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Aims. We investigated whether self-monitoring of blood glucose could be used to assess dawn phenomenon in Chinese people with type 2 diabetes mellitus (T2DM). Methods. A total of 306 people with T2DM underwent continuous glucose monitoring and self-monitoring of blood glucose for 72 h. A linear model was used to fit the optimal linear formula of the magnitude of dawn phenomenon (ΔDawn) and self-monitoring of blood glucose values. Results. The prevalence of dawn phenomenon was similar within different oral antidiabetic drug groups (42.5%, 31.5%, and 40.9%, ). Multiple variable linear regression showed that prebreakfast, prelunch, and predinner glucose measurements were independently and significantly correlated with ΔDawn. The linear formula between ΔDawn and blood glucose was as follows: (adjusted , ). Conclusions. Dawn phenomenon could be partly assessed by blood glucose self-monitoring in Chinese people with T2DM using the abovementioned formula. The incidence of dawn phenomenon was similar among patients in different oral antidiabetic drug groups.