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Table 2 Comparison of retinal and 1/3 iris VAD and VSD in PDR, NPDR, NDR, and healthy control eyes

From: Quantitative analysis and clinical application of iris circulation in ischemic retinal disease

  PDR NPDR NDR Healthy control F P P1 P2 P3
Iris 1/3 VAD 0.34 ± 0.07 0.30 ± 0.05 0.26 ± 0.03 0.26 ± 0.03 12.230 0.000 0.009 0.023 0.829
Iris1/3 VSD 0.25 ± 0.05 0.21 ± 0.03 0.19 ± 0.03 0.18 ± 0.03 13.446 0.000 0.004 0.030 0.749
Retina VAD 0.51 ± 0.04 0.52 ± 0.02 0.53 ± 0.01 0.53 ± 0.01 2.113 0.106 0.260 0.564 0.629
Retina VSD 0.13 ± 0.02 0.14 ± 0.01 0.14 ± 0.01 0.14 ± 0.01 2.584 0.060 0.331 0.654 0.218
  1. P, comparison of all four groups; P1, PDR and NPDR; P2, NPDR and NDR; P3, NDR and healthy control; P < 0.05 was considered statistically significant. F, the relative difference among these four groups