Table 1. Outcome cross tabulation of serum IGF-I pregnant diabetic women.

Gestation period (Median, µg/L)	Diabetic retinopathy
	Yes	No
28 weeks	<224	0	25	25
	>224	2	23	25
32 weeks	<404	0	25	25
	>404	2	23	25
36 weeks	<336	0	25	25
	>336	2	23	25

(n=25)