Intra-individual variation of glucose, specific insulin and proinsulin concentrations measured by two oral glucose tolerance tests in a general Caucasian population: the Hoorn Study
✍ Scribed by J. M. Mooy; P. A. Grootenhuis; H. de Vries; P. J. Kostense; C. Popp-Snijders; L. M. Bouter; R. J. Heine
- Publisher
- Springer
- Year
- 1996
- Tongue
- English
- Weight
- 809 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0012-186X
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✦ Synopsis
We studied the intra-individual variation in plasma glucose, specific serum insulin and serum proinsulin concentrations, measured by two 75-g oral glucose tolerance tests in an age, sex, and glucose tolerance stratified random sample from a 50-74-yearold Caucasian population without a history of diabetes mellitus. The intra-individual variation was assessed by the standard deviation of the test-retest differences (SDdif). For subjects with normal (n = 246), impaired glucose tolerance (n = 198), and newly detected diabetes (n --80) classified at the first test, the following (SDaif/median level of individual average scores) were found: fasting glucose: 0.4/5.4, 0.5/5.