Research Article

Reliability of Using Retinal Vascular Fractal Dimension as a Biomarker in the Diabetic Retinopathy Detection

Table 1

The mean and standard deviation of FD values () for different DR grades.

DR gradeNumber of imagesROI: full FOVROI:
MeanSDRSDMean SDRSD

R05461.38640.03242.34%1.32850.03162.38%
R11531.38520.03452.49%1.33170.03042.28%
R22471.37810.03642.64%1.32150.03842.91%
R32541.38690.03842.77%1.32760.03752.82%

Total 12001.38460.03502.52%1.32730.03432.59%

SD: standard deviation.
RSD: relative standard deviation.