Table 1.
Characteristics of the study participants.
| Characteristic | Experimental group | Control group | χ 2/W/Ζ | P |
|---|---|---|---|---|
| Age, median (y) | 63 | 63 | 249.5 | 0.1495 |
| Male, n (%) | 27 (87.1%) | 23 (74.2%) | -2.1082 | 0.0719 |
| Tobacco, n (%) | 15 (48.4%) | 14 (45.2%) | 0.0648 | 0.7991 |
| Alcohol, n (%) | 11 (35.5%) | 6 (19.4%) | 2.0261 | 0.1546 |
| Hypertension, n (%) | 28 (90.3%) | 21 (67.7%) | 4.7692 | 0.0586a |
| Diabetes, n (%) | 6 (19.4%) | 9 (29.0%) | 0.7915 | 0.3737 |
| OCTA characteristic | ||||
| RPC VD (%) Median (IQR) |
55.95 (53.30-58.10) | 57.24 (56.00-59.20) | 5.7924 | 0.0161 |
| SVC VD (%) Median (IQR) |
48.65 (45.50-51.10) | 52.22 (50.14-53.53) | 11.785 | 0.0006 |
| DVC VD (%) Median (IQR) |
49.65 (46.50-53.70) | 57.50 (53.80-59.85) | 20.152 | <.0001 |
| CC VD (%) Median (IQR) |
67.41 (62.90-69.92) | 68.74 (65.91-71.11) | 1.560365 | 0.1320 |
VD: vessel density; RPC: radical peripapillary capillaries; SVC: superficial vascular complexes; DVC: deep vascular complexes; CC: choriocapillaris. aThe P value was verified by Fisher's exact probability test.