Table 3 Long-term repeatability of initial measurements of peripapillary optical coherence tomography angiography parameters.

From: Long-term repeatability of peripapillary optical coherence tomography angiography measurements in healthy eyes

 

1st measurement

2nd measurement

ICC

CV (%)

Vessel density (mm−1)

Full

17.59 ± 1.74

17.83 ± 1.60

0.886

3.24

Outer ring

18.19 ± 2.14

18.44 ± 1.89

0.891

3.68

Inner ring

17.28 ± 1.65

17.49 ± 1.70

0.934

2.73

Perfusion density

Full

0.453 ± 0.063

0.455 ± 0.042

0.737

3.73

Outer ring

0.459 ± 0.058

0.466 ± 0.050

0.887

3.84

Inner ring

0.453 ± 0.048

0.458 ± 0.043

0.923

2.99

  1. ICC intraclass correlation coefficient, CV coefficient of variation.
  2. All values are expressed as the mean ± standard deviation.
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