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. 2020 Apr 10;10:6194. doi: 10.1038/s41598-020-62956-2

Table 2.

Mean ± standard deviation, perfusion density (%) and vessel density (mm−1) of five successive measurements at the para-foveal grid from 82 eyes.

Perfusion density (%)
Superior Inferior Nasal Temporal
1st measurement 39.5 ± 3.0 39.5 ± 2.4 39.5 ± 2.5 40.1 ± 2.7
2nd measurement 39.8 ± 2.1 39.5 ± 2.3 39.2 ± 2.8 40.1 ± 2.5
3rd measurement 39.4 ± 2.7 39.4 ± 2.8 39.3 ± 3.0 40.3 ± 2.5
4th measurement 39.4 ± 2.6 39.6 ± 2.7 39.2 ± 3.0 40.4 ± 2.3
5th measurement 39.9 ± 2.5 39.7 ± 2.4 39.1 ± 3.7 40.4 ± 3.1
   ICC 0.802 0.850 0.885 0.723
   CoV 4.0% 3.7% 3.9% 4.0%
   Analysis p = 0.142 p = 0.529 p = 0.936 p = 523
Vessel density (mm−1)
Superior Inferior Nasal Temporal
1st measurement 22.2 ± 1.7 22.3 ± 1.5 22.3 ± 1.4 22.8 ± 1.5
2nd measurement 22.3 ± 1.3 22.3 ± 1.3 22.1 ± 1.5 22.8 ± 1.3
3rd measurement 22.2 ± 1.6 22.3 ± 1.7 22.2 ± 1.5 22.9 ± 1.4
4th measurement 22.1 ± 1.5 22.3 ± 1.5 22.2 ± 1.6 22.9 ± 1.3
5th measurement 22.4 ± 1.3 22.4 ± 1.4 22.1 ± 1.9 22.8 ± 1.6
   ICC 0.801 0.865 0.881 0.737
   CoV 4.0% 3.7% 3.6% 3.8%
   Analysis p = 0.273 p = 0.921 p = 0.853 p = 0.894

ICC: intraclass correlation coefficient.

CoV: coefficient of variation.

Analysis: Friedman’s tests.