Table 3.
Subgroup analysis of the correlation between renal function indicators and Df by field range and vascular type
| Indicator | Retinal artery | Retinal vein | ||||||
|---|---|---|---|---|---|---|---|---|
| Artery-Center-Df | P-value | Artery-UWF-Df | P-value | Vein-Center-Df | P-value | Vein-UWF-Df | P-value | |
| eGFR | 0.20 (0.17–0.22) | <0.001* | 0.31 (0.28–0.33) | <0.001* | 0.07 (0.05–0.08) | <0.001* | 0.22 (0.20–0.25) | <0.001* |
| UCr (mmol/L) | 0.11 (0.07–0.14) | <0.001* | 0.24 (0.18–0.27) | <0.001* | 0.04 (0.00–0.07) | 0.038* | 0.23 (0.18–0.26) | <0.001* |
| ACR (mg/g) | −0.06 (−0.10 to −0.02) | 0.003* | −0.06 (−0.10 to −0.02) | 0.004* | −0.04 (−0.08 to 0.00) | 0.061 | 0.01 (−0.03 to 0.05) | 0.590 |
| UOB | 0.01 (−0.02 to 0.03) | 0.557 | 0.07 (0.05–0.09) | <0.001* | −0.02 (−0.05 to 0.00) | 0.062 | 0.06 (0.03–0.08) | <0.001* |
| UA (µmol/L) | −0.07 (−0.08 to −0.05) | <0.001* | −0.05 (−0.06 to −0.04) | <0.001* | 0.01 (−0.00 to 0.02) | 0.108 | 0.03 (0.02–0.04) | <0.001* |
| UMAlb (mg/L) | −0.08 (−0.12 to −0.04) | <0.001* | −0.05 (−0.09 to −0.01) | 0.014* | −0.05 (−0.09 to −0.02) | 0.005* | 0.02 (−0.02 to 0.05) | 0.412 |
| Cr (µmol/L) | −0.14 (−0.16 to −0.13) | <0.001* | −0.14 (−0.15 to −0.13) | <0.001* | −0.04 (−0.05 to −0.03) | <0.001* | −0.06 (−0.07 to −0.05) | <0.001* |
| Urea (mmol/L) | −0.15 (−0.16 to −0.14) | <0.001* | −0.17 (−0.18 to −0.16) | <0.001* | −0.06 (−0.07 to −0.05) | <0.001* | −0.11 (−0.12 to −0.10) | <0.001* |
| Alb (g/L) | −0.23 (−0.26 to −0.20) | <0.001* | −0.22 (−0.25 to −0.19) | <0.001* | −0.10 (−0.13 to −0.07) | <0.001* | −0.10 (−0.14 to −0.07) | <0.001* |
AVR arteriovenous ratio, Df fractal dimension, TORT vascular tortuosity, UWF ultra-wide field, UCr urinary creatinine, ACR urinary albumin-to-creatinine ratio, UOB urine occult blood, UA blood uric acid, UMAlb urinary microalbuminuria, Cr blood creatinine, Urea blood urea, Alb blood albumin.
*P < 0.05.