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Table 2 Characteristic classification of UWFA in diabetic retinopathy

From: Correlation between ultrawide-field fluorescence contrast results and white blood cell indexes in diabetic retinopathy

Image features

Grade 0

Grade 1

Grade 2

Grade 3

Grade 4

Microvascular leakage

19 (9.5)

13 (6.5)

4 (2.0)

9 (4.5)

154 (77.4)

Capillary nonperfusion area

105 (52.8)

94 (47.2)

–

–

–

Neovascularization

118 (59.3)

32 (16.1)

19 (9.5)

14 (7.0)

16 (8.0)

Fibrous proliferative membrane

183 (92.0)

16 (8.0)

–

–

–

  1. Data are presented as n (%)