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HOME > Diabetes Metab J > Volume 22(4); 1998 > Article
Original Article Estimation of Cut-off Point of Fasting Blood Glucose Predicting Pancreaticbeta-cell Decompensation During Oral Glucose Tolerance Test.
Mi Deok Lee, Hong Seung Kim, Young Uk Kim, Young Goo Shin, Chang Ho Song, Young Jun Won, Choon Hee Chung
Diabetes & Metabolism Journal 1998;22(4):513-521
DOI: https://doi.org/
Published online: January 1, 2001
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BACKGROUND
The secretory dysfunction of pancreatic B-cell is one of the important in the pathogenesis of NIDDM. And the conversion from IGT to DM is developed by the exhaustion and decompensation of 0-cell. So our purp was estimating the cut-off point of fasting blood sugar predicting B-cell decompensation during OGTT. METHOD: The clinical characteristics and anthropometric parameters were determined in all subjects. 75 g ora] glucose tolerance tests were performed with serial blood sampling to measure plasma glucose levels, insulin and C-peptide levels. And we calcolated insulin response areas and C-peptide response areas. RESULTS: l) The basal C-peptide levels were elevated in IG1' and DM group. however, post-load 30min C-peptide and 30min insulin levels were significantly decreased in DM group compared with normal and IGl. 2) IGT group showed the highest C-peptide response areas among three groups. 3) The relationships between fasting plasma glucose, C-peptide & insulin levels showed that basal C-peptide level had turning point at 6.7 mmol/L of fastiing glucose, basal insulin level at 6.5 mmol/L, 30 min C-peptide at 6.2 mmol/1, 30 min insulin at 5.8 mmol/L and C-peptide response area at 7.0 mmol/L. Conclusion : Above result suggest that the fasting plasma glucose of 7.0 mmol/L may be the cut-off point of pancreatic B-cell decompensation.

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    Estimation of Cut-off Point of Fasting Blood Glucose Predicting Pancreaticbeta-cell Decompensation During Oral Glucose Tolerance Test.
    Korean Diabetes J. 1998;22(4):513-521.   Published online January 1, 2001
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