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Original Research

Variation of Interstitial Glucose Measurements Assessed by Continuous Glucose Monitors in Healthy, Nondiabetic Individuals

  1. Juvenile Diabetes Research Foundation Continuous Glucose Monitoring Study Group*⇓
  1. Corresponding author: Roy W. Beck, jdrfapp{at}jaeb.org.
Diabetes Care 2010 Jun; 33(6): 1297-1299. https://doi.org/10.2337/dc09-1971
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Abstract

OBJECTIVE To characterize glucose levels during daily living using continuous glucose monitors (CGMs) in nondiabetic individuals.

RESEARCH DESIGN AND METHODS Seventy-four healthy children, adolescents, and adults aged 9–65 years with normal glucose tolerance used a blinded CGM device for 3 to 7 days.

RESULTS Sensor glucose concentrations were 71–120 mg/dl for 91% of the day. Sensor values were ≤60 or >140 mg/dl for only 0.2% and 0.4% of the day, respectively. Sensor glucose concentrations were slightly higher in children than adults (P = 0.009) and were slightly lower during the night than day (95 vs. 99 mg/dl, P < 0.001).

CONCLUSIONS Glucose values ≤60 and >140 mg/dl, measured with CGM, are uncommon in healthy, nondiabetic individuals. CGM may be useful to evaluate glucose tolerance in nondiabetic individuals over time. Furthermore, these data provide a basis for comparison for studies that use CGM to assess glucose control in subjects with diabetes.

Footnotes

  • ↵*A list of the writing committee can be found in the appendix, and a complete list of the members of the study group is included in the online appendix available at http://care.diabetesjournals.org/cgi/content/full/dc09-1974/DC1.

  • The study was designed and conducted by the investigators listed in the appendix, who collectively wrote the manuscript and vouch for the data. The investigators had complete autonomy to analyze and report the trial results. There were no agreements concerning confidentiality of the data between the Juvenile Diabetes Research Foundation, Inc., and the authors or their institutions. The Jaeb Center for Health Research had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.

  • The costs of publication of this article were defrayed in part by the payment of page charges. This article must therefore be hereby marked “advertisement” in accordance with 18 U.S.C. Section 1734 solely to indicate this fact.

  • Received October 26, 2009.
  • Accepted February 25, 2010.
  • © 2010 by the American Diabetes Association.

Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. See http://creativecommons.org/licenses/by-nc-nd/3.0/ for details.

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Diabetes Care: 33 (6)

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June 2010, 33(6)
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Variation of Interstitial Glucose Measurements Assessed by Continuous Glucose Monitors in Healthy, Nondiabetic Individuals
Juvenile Diabetes Research Foundation Continuous Glucose Monitoring Study Group
Diabetes Care Jun 2010, 33 (6) 1297-1299; DOI: 10.2337/dc09-1971

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Variation of Interstitial Glucose Measurements Assessed by Continuous Glucose Monitors in Healthy, Nondiabetic Individuals
Juvenile Diabetes Research Foundation Continuous Glucose Monitoring Study Group
Diabetes Care Jun 2010, 33 (6) 1297-1299; DOI: 10.2337/dc09-1971
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