Table 3

Mean intensity (SD) of FLT-4 staining in the retina/choroid

ChoroidRPEPhoto receptorsOuter nuclear layerInner nuclear layerGanglion
cell layer
Retinal vesselsMembrane vesselsMembrane extravascular matrix
Non-diabetic (n=10)0.30 (0.46)0 (0)0 (0)0.10 (0.30)0.90 (0.94)0.50 (0.67)0.70 (1.0)
No overt retinopathy (n=12)0.42 (0.49)0.08 (0.28)0.33 (0.75)0 (0)1.50 (0.76)1.83 (0.80)1.0 (0.71)
Intraretinal changes (n=5)0.20 (0.40)0.20 (0.40) 0.60 (0.80)0 (0)1.80 (1.17)2.0 (1.10)1.20 (1.47)
PDR (n=6)1.0 (0.82)0.17 (0.37)0 (0)0 (0)0.33 (0.47)1.0 (0.82)1.50 (1.12)1.50 (1.26)0.33 (0.47)
Laser, no residual PDR (n=14)0.57 (0.62)0.29 (0.45)0.21 (0.56)0.21 (0.41)0.86 (0.64)0.79 (0.56)0.93 (0.80)
PDR excised membranes (n=11)1.73 (0.96)0.18 (0.39)
  • 0=background staining; 1=weak staining; 2=moderate staining; 3=intense staining.