while circulating insulin levels may at times appear to be normal or even elevated in patients with niddm , depending on the control group for comparison and the glucose level at which subjects are studied , a profound impairment of pancreatic b-cell function is characteristic of niddm and contributes to the hyperglycemia in this condition ( halter , et al. , 1985 ) .
C0030274
pancreatic
C0011860
niddm