Table 4 Mean OCT-A capillary density in T2D vs control groups
Vascular capillary plexus | T2D Group | Control Group | 95%CI | p-value |
|---|---|---|---|---|
(n = 258 eyes of 129 subjects) MD ± SD | (n = 74 eyes of 37 subjects) MD ± SD | |||
Superficial | ||||
Superficial Central (SC) | 18.8 (± 0.4) | 21.0 (± 0.6) | − 3.8 to − 0.7 | 0.004 |
Superficial superior (SS) | 47.2 (± 0.3) | 48.9 (± 0.5) | − 2.8 to − 0.5 | 0.004 |
Superficial Nasal (SN) | 43.4 (± 0.3) | 44.7 (± 0.5) | − 2.4 to − 0.1 | 0.034 |
Superficial Inferior (SI) | 46.1 (± 0.3) | 47.3 (± 0.6) | − 2.5 to 0.1 | 0.081 |
Superficial Temporal (ST) | 45.5 (± 0.2) | 46.4 (± 0.4) | − 1.8 to − 0.03 | 0.041 |
Deep | ||||
Deep Central (DC) | 18.0 (± 0.5) | 18.6 (± 0.8) | − 2.5 to 1.2 | 0.481 |
Deep superficial (DS) | 51.5 (± 0.3) | 50.7 (± 0.5) | − 0.3 to 1.9 | 0.163 |
Deep Nasal (DN) | 48.1 (± 0.2) | 48.7 (± 0.5) | − 1.6 to 0.4 | 0.270 |
Deep Inferior (DI) | 50.6 (± 0.3) | 50.2 (± 0.6) | − 0.9 to 1.8 | 0.499 |
Deep Temporal (DT) | 48.0 (± 0.2) | 47.6 (± 0.4) | − 0.45 to 1.23 | 0.364 |
Choriocapillaris (CC) | ||||
Central | 48.7 (± 0.36) | 49.8 (± 0.7) | − 2.5 to 0.4 | 0.155 |
Superficial | 53.0 (± 0.1) | 53.0 (± 0.3) | − 0.6 to 0.6 | 0.982 |
Nasal | 52.8 (± 0.2) | 53.4 (± 0.3) | − 1.3 to − 0.02 | 0.042 |
Inferior | 53.0 (± 0.2) | 53.4 (± 0.3) | − 1.1 to 0.3 | 0.270 |
Temporal | 53.1 (± 0.2) | 53.2 (± 0.2) | − 0.7 to 0.4 | 0.569 |
FAZ (foveal avascular zone) | ||||
FAZ Superficial | 313.8 (± 11.9) | 243.4 (± 15.1) | 31.1 to 108.8 | < 0.001 |
FAZ Deep | 188.5 (± 10.1) | 137.1 (± 10.4) | 21.8 to 79.1 | 0.001 |