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Comment & Response |

Prevalence of Diabetes in Chinese Adults—Reply

Yufang Bi, MD, PhD1; Yu Xu, PhD1; Guang Ning, MD, PhD1
[+] Author Affiliations
1Key Laboratory for Endocrine and Metabolic Diseases of Ministry of Health, Rui-Jin Hospital, Shanghai, China
JAMA. 2014;311(2):200-201. doi:10.1001/jama.2013.283143.
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In Reply The prevalence of diabetes cannot be compared directly between our study and the 2002 CNNHS due to different methods of data collection, diagnostic procedures, and statistical analyses. In the 2002 CNNHS, an oral glucose tolerance test was conducted only in those with a fasting plasma glucose level of 5.5 mmol/L or higher and HbA1c levels were not measured.1

In addition, the 2002 CNNHS used the 1999 World Health Organization criteria plus a self-reported history of diabetes treatment to define diabetes. In our study, the 2010 American Diabetes Association criteria, which include fasting plasma glucose, 2-hour plasma glucose, and HbA1c as well as self-reported diabetes, were used. Moreover, sampling weights, which should be used to account for complex survey designs, were not applied in the 2002 CNNHS.


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January 8, 2014
Chuanwen Lu, BSc; Wenjie Sun, PhD
1Texas Tech University, Lubbock
2Tulane University, New Orleans, Louisiana
JAMA. 2014;311(2):199-200. doi:10.1001/jama.2013.283124.
January 8, 2014
Kristine Færch, MSc, PhD; Dorte Vistisen, MSc, PhD
1Steno Diabetes Center, Gentofte, Denmark
JAMA. 2014;311(2):200. doi:10.1001/jama.2013.283127.
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