Table 1

Mean intensity (SD) of FLT-1 staining in the retina/choroid

ChoroidRPEPhoto receptorsOuter nuclear layerInner nuclear layerGanglion
cell layer
Retinal vesselsMembrane vesselsMembrane extravascular matrix
Non-diabetic (n=10)0.70 (0.46)1.10 (0.83)0.60 (0.80)0.20 (0.40)1.10 (0.94)1.50 (1.12)1.0  (1.0)
No overt retinopathy (n=12)0.92 (0.64)0.58 (0.86)0.42 (0.49)0.33 (0.47)1.42 (0.49)1.92 (0.86)1.25 (0.92)
Intraretinal changes (n=5)0.60 (0.80)0.80 (0.75)0.80 (1.17)1.20 (1.17)1.60 (0.80)2.20 (0.75)1.60 (1.02)
PDR (n=6)1.0 (0) 0.17 (0.37)0 (0)1.0 (0.82)1.17 (0.69)2.0 (0.82)1.50 (1.12)2.50  (0.50)1.17 (0.37)
Laser, no residual PDR (n=14)0.57 (0.49)0.93 (1.03)0.21 (0.56)1.50 (0.63)1.50 (0.63)1.86 (0.74)1.71 (0.45)
PDR excised membranes (n=11)1.55  (0.78)1.09 (0.79)
  • 0=background staining; 1=weak staining; 2=moderate staining; 3=intense staining.