Table 5 Comparisons of OCTA parameters of retina and the RNFL thickness of disc in 5 groups of the different HbA1c levels
|  | Control group (< 6.1%) | Group1 6.2% ~ 7.7%) | Group2 (7.7% ~ 8.9%) | Group3 (8.9% ~ 10.1%) | Group4 (> 10.1%) | p*** |
|---|---|---|---|---|---|---|
Number | 70 | 52 | 44 | 46 | 46 | Â |
Superficial Whole VD(%) | 46.5 ± 2.6* | 43.9 ± 4.6 | 43.2 ± 4.8 | 43.2 ± 4.9 | 43.3 ± 4.4 | < 0.001 |
Superficial parafoveal VD(%) | 49.4 ± 3.1* | 47.0 ± 4.9 | 45.8 ± 5.5 | 45.8 ± 5.2 | 46.1 ± 4.6 | < 0.001 |
Deep whole VD(%) | 51.2 ± 7.1* | 48.4 ± 3.2 | 48.1 ± 3.9 | 47.5 ± 4.8 | 48.8 ± 4.9 | < 0.01 |
Deep parafoveal VD(%) | 53.8 ± 7.4* | 50.9 ± 3.2 | 50.7 ± 4.1 | 49.9 ± 5.3 | 51.4 ± 5.3 | < 0.01 |
FD-300(%) | 51.2 ± 3.5* | 47.2 ± 5.3 | 46.0 ± 4.7 | 46.6 ± 4.9 | 47.3 ± 5.2 | < 0.001 |
FAZ Area (um2) | 0.37 ± 0.28 | 0.38 ± 0.22 | 0.33 ± 0.10 | 0.33 ± 0.13 | 0.37 ± 0.14 | 0.556 |
AI | 1.14 ± 0.05* | 1.16 ± 0.05 | 1.17 ± 0.09 | 1.17 ± 0.07 | 1.16 ± 0.05 | < 0.01 |
Temporal (um) | 78.1 ± 10.6** | 74.4 ± 9.3 | 71.3 ± 9.5 | 77.6 ± 11.2** | 71.2 ± 11.4 | < 0.01 |
Nasal (um) | 74.7 ± 16.9 | 79.3 ± 9.8 | 74.5 ± 13.0 | 74.9 ± 13.5 | 76.3 ± 10.7 | 0.328 |
Superior (um) | 128.4 ± 15.3 | 125.5 ± 17.1 | 119.5 ± 19.7 | 123.7 ± 16.7 | 120.4 ± 17.3 | 0.165 |
Inferior (um) | 132.9 ± 19.1 | 130.9 ± 13.4 | 127.7 ± 18.7 | 128.3 ± 18.3 | 131,3 ± 14.7 | 0.497 |