Table 2.
Retinal vascular caliber and stage of CKD
| Characteristic | CKD 1 to 2 (n = 126) | CKD 3 to 5 (n = 126) | Pa | CKD 3 (n = 44) | CKD 4 (n = 31) | CKD 5 (n = 51) | P trendb |
|---|---|---|---|---|---|---|---|
| Age (years, median, range, years) | 60.5 (20 to 84) | 61 (20 to 84) | 0.97 | 63 (29 to 82) | 61 (38 to 83) | 60 (20 to 84) | 0.33 |
| Gender (male, %) | 82 (65.1%) | 82 (65.1%) | 1.00 | 24 (54.5%) | 25 (80.6%) | 33 (64.7%) | 0.40 |
| CRAE (mean, SD, μm) | 148.5 (16.0) | 139.4 (17.8) | <0.001 | 141.9 (18.7) | 142.0 (20.4) | 135.7 (14.8) | 0.08 |
| CRVE (mean, SD, μm) | 217.4 (25.8) | 205.0 (30.7) | 0.001 | 213.4 (34.4) | 201.1 (27.0) | 200.2 (28.5) | 0.04 |
| AVR (mean, SD, μm) | 0.69 (0.08) | 0.69 (0.08) | 0.893 | 0.67 (0.07) | 0.71 (0.10) | 0.68 (0.08) | 0.58 |
CKD, chronic kidney disease; CRAE, central retinal artery equivalent; CRVE, central retinal vein equivalent.
a
Between CKD 1 to 2 and CKD 3 to 5.
b
Between CKD 3 and CKD 5.