whereas in the normal-weight and obese controls the fasting c-peptide was 1.7-2.2 and postprandial maximum 6.0-6.6 ng/ml , in niddm the fasting level was only 2.4 +/- 1.5 ng/ml in spite of hyperglycemia of 234 mg/dl , and increased after breakfast to only 3.9 +/- 1.9 ng/ml .
C0006558
c-peptide
C0011849
niddm