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 grade | Number of images | ROI: full FOV | ROI: | Mean | SD | RSD | Mean | SD | RSD |
| R0 | 546 | 1.3864 | 0.0324 | 2.34% | 1.3285 | 0.0316 | 2.38% | R1 | 153 | 1.3852 | 0.0345 | 2.49% | 1.3317 | 0.0304 | 2.28% | R2 | 247 | 1.3781 | 0.0364 | 2.64% | 1.3215 | 0.0384 | 2.91% | R3 | 254 | 1.3869 | 0.0384 | 2.77% | 1.3276 | 0.0375 | 2.82% |
| Total | 1200 | 1.3846 | 0.0350 | 2.52% | 1.3273 | 0.0343 | 2.59% |
|
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SD: standard deviation. RSD: relative standard deviation.
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