Table 3.
VD and VLD in Eyes with Proliferative Diabetic Retinopathy with and without PRP
| PDR No PRP (40) Mean ± SD | PDR PRP (53) Mean ± SD | P Value Comparing Eyes with no PRP (40) vs. PRP (53)* | P Value Comparing Eyes with no PRP (29) vs. PRP (44) (Excluding Eyes with History Anti-VEGF)* | |
|---|---|---|---|---|
| VD SCP (%) | 31.25 ± 4.04 | 30.68 ± 3.54 | 0.47 | 0.62 |
| VLD SCP (%) | 15.30 ± 2.22 | 14.80 ± 1.87 | 0.25 | 0.35 |
| VD ICP (%) | 29.85 ± 2.83 | 30.52 ± 3.35 | 0.32 | 0.21 |
| VLD ICP (%) | 14.99 ± 1.52 | 15.22 ± 1.71 | 0.50 | 0.32 |
| VD DCP (%) | 31.04 ± 3.10 | 31.00 ± 3.51 | 0.96 | 0.80 |
| VLD DCP (%) | 15.72 ± 1.85 | 15.59 ± 1.88 | 0.75 | 0.89 |
*
Independent t-test, P value significant at < 0.05.
PDR, proliferative diabetic retinopathy; SCP, superficial capillary plexus; ICP, intermediate capillary plexus; DCP, deep capillary plexus; VD, vessel density; VLD, vessel length density.
Mean duration of PRP years 10.77 ± 11.02, range 0.81 – 38.71.