Table 2.
Comparison Between Manual non-PAROCTA and PAROCTA VD Measurements Across DR Severity
SCP VD (%) (Mean ± SD) | SCP VLD (%) (Mean ± SD) | DCP VD (%) (Mean ± SD) | DCP VLD (%) (Mean ± SD) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DR severity | non-PAR | PAROCTA | P value | non-PAR | PAROCTA | P value | non-PAR | PAROCTA | P value | non-PAR | PAROCTA | P value |
No DR | 35.36 ± 2.97 | 36.2 ± 2.783 | 0.387 | 17.81 ± 1.05 | 18.21 ± 1.53 | 0.524 | 35.88 ± 2.82 | 40.24 ± 4.31 | <0.001* | 18.78 ± 0.94 | 21.47 ± 2.95 | <0.001* |
Mild NPDR | 34.91 ± 2.34 | 34.91 ± 4.39 | 0.99 | 17.38 ± 1.38 | 17.56 ± 2.75 | 0.37 | 35.85 ± 3.86 | 37.69 ± 3.97 | <0.001* | 18.51 ± 1.21 | 19.57 ± 2.65 | <0.001* |
Moderate NPDR | 34.24 ± 2.45 | 33.38 ± 3.87 | 0.017* | 16.87 ± 0.11 | 16.5 ± 2.4 | 0.046* | 35.32 ± 4.12 | 37.12 ± 4.58 | 0.005* | 18.15 ± 1.19 | 19.55 ± 2.96 | <0.001* |
Severe NPDR | 33.8 ± 2.12 | 32.56 ± 3.75 | 0.016* | 16.5 ± 1.19 | 15.72 ± 2.19 | 0.009* | 35.17 ± 2.56 | 36.83 ± 3.62 | 0.009* | 17.91 ± 1.25 | 19 ± 2.23 | <0.001* |
PDR | 32.77 ± 3.32 | 30.75 ± 5.02 | <0.001* | 15.85 ± 1.57 | 15.1 ± 2.76 | 0.002* | 33.96 ± 2.29 | 33.47 ± 4.93 | 0.273 | 17.04 ± 1.24 | 16.96 ± 2.94 | 0.783 |
Non-PAR and PAR SCP parameters were compared using Wilcoxon–Rank and DCP parameters compared with paired t-test. Significance < 0.05.