Fig. 1From: The role of growth hormone and IGF-1 in retinopathy: a prospective study of retinopathy in patients with acromegaly and impaired fasting glucosePlasma glucose (A) and insulin (B) concentrations during the oral glucose tolerance test (OGTT) in patients with acromegaly and subjects with impaired fasting glucose (IFG) (*p < 0.05 between groups)Back to article page