Table 3 Microvascular abnormalities using optical coherence tomography angiography in macular of controls and eyes with hypertensive retinopathy (n = 274)
Microvascular abnormalities | Controls (n = 112) | Grade I HR (n = 30) | Grade II HR (n = 72) | Grade III HR (n = 60) | P* |
|---|---|---|---|---|---|
Focal capillary sparsity | |||||
  Superficial | 0 (0.0) | 0 (0.0) | 10 (13.9) | 24 (40.0) | <0.001 |
  Deep | 0 (0.0) | 10 (33.3) | 7 (9.7) | 21 (35.0) | <0.001 |
Scattered microangioma | |||||
  Superficial | 0 (0.0) | 0 (0.0) | 1 (1.4) | 7 (11.7) | <0.001 |
  Deep | 0 (0.0) | 0 (0.0) | 2 (2.8) | 11 (18.3) | <0.001 |
Focal macular arch ring defect | |||||
  Superficial | 0 (0.0) | 1 (3.3) | 3 (4.2) | 18 (30.0) | <0.001 |
  Deep | 0 (0.0) | 4 (13.3) | 14 (19.4) | 28 (46.7) | <0.001 |
Focal capillary disorder | |||||
  Superficial | 0 (0.0) | 0 (0.0) | 0 (0.0) | 5 (8.3) | 0.001 |
  Deep | 0 (0.0) | 0 (0.0) | 0 (0.0) | 6 (10.0) | <0.001 |
Focal capillary nonperfusion | |||||
  Superficial | 0 (0.0) | 0 (0.0) | 0 (0.0) | 6 (10.0) | <0.001 |
  Deep | 0 (0.0) | 0 (0.0) | 0 (0.0) | 9 (15.0) | <0.001 |
