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Table 2 The repeatability of choroidal thickness, vascular density, and flow voids of the choriocapillaris measurements

From: Choroidal thickness and choriocapillaris vascular density in myopic anisometropia

Parameters

Average measurement of examiner 1 (mean ± SD)

Average measurement of examiner 2 (mean ± SD)

ICC

COR

Choroidal thickness (μm)

 Center

235.59 ± 45.22

228.09 ± 48.02

0.97

23.52

 Superior

245.59 ± 45.35

243.54 ± 48.27

0.93

34.50

 Inferior

240.90 ± 47.32

235.48 ± 48.58

0.95

30.97

 Nasal

203.28 ± 42.73

201.04 ± 46.80

0.97

22.74

 Temporal

241.88 ± 46.75

243.65 ± 49.81

0.92

38.02

Vascular density (%)

 C0–0.6

72.41 ± 10.90

72.52 ± 10.93

0.98

4.78

 S0.6–2.5

63.20 ± 7.83

63.29 ± 7.14

0.94

5.12

 I0.6–2.5

64.30 ± 7.25

64.38 ± 6.50

0.93

5.19

 N0.6–2.5

65.28 ± 7.29

65.42 ± 6.45

0.93

5.08

 T0.6–2.5

64.41 ± 7.36

64.41 ± 6.65

0.93

5.17

Flow void (%)

 C0–0.6

10.72 ± 2.10

10.67 ± 1.90

0.98

0.74

 S0.6–2.5

20.92 ± 1.75

20.84 ± 1.78

0.99

0.51

 I0.6–2.5

19.74 ± 0.74

19.77 ± 0.69

0.99

0.20

 N0.6–2.5

19.02 ± 1.54

19.04 ± 1.60

0.98

0.55

 T0.6–2.5

20.17 ± 1.90

20.29 ± 2.00

0.98

0.71

  1. C0–0.6, represents the central foveal area (0–0.6 mm). N0.6–2.5, T0.6–2.5, I0.6–2.5, and S0.6–2.5 represent the 0.6–2.5 mm region in nasal, temporal, inferior, and superior, respectively
  2. ICC intraclass correlation coefficient; COR coefficient of repeatability