in seven patients with type i diabetes and rapidly deteriorating vision as a result of proliferative and exudative retinopathy , the serum concentration of igf i was 722 +/- 41 ng per milliliter ( mean +/- s.e.m . ) , as compared with 381 +/- 48 ng per milliliter in 26 patients who had type i diabetes without retinopathy or with less severe forms of it , and 302 +/- 15 ng per milliliter in the controls ( p less than 0.001 for both comparisons ) .
C0154832
exudative retinopathy
C0035309
retinopathy