| Study Variables | DNR | NPDR | PDR |
|---|---|---|---|
| VEGF-A (ng/ml) x sorbitol (mg/L) | r = 0.243 p = 0.19[NS] |
r = 0.317 p = 0.003 |
r = 0.187 p = 0.2[NS] |
| VEGF-A (ng/ml) x duration(years) | r = 0.174 p = 0.36[NS] |
r = - 0.019 p = 0.86[NS] |
r = - 0.332 p = 0.021 |
| VEGF-A (ng/ml) x age (years) | r = 0.128 p = 0.5[NS] |
r = 0.109 p = 0.32[NS] |
r = -0.233 p = 0.11[NS] |
| Sorbitol (mg/L) x duration (years) | r = 0.211 p = 0.26[NS] |
r = 0.173 p = 0.11[NS] | r = -0.282 p = 0.05[NS] |
| Sorbitol (mg/L) x age (years) | r = 0.426 p = 0.019 | r = 0.058 p = 0.59[NS] | r = 0.029 p = 0.84[NS] |
| Sorbitol (mg/L) x duration (years) | r = 0.211 p = 0.26[NS] | r = 0.173 p = 0.11[NS] | r = -0.282 p = 0.05[NS] |