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Table 3 The characteristics and interocular differences of choroidal thickness, vascular density, and flow void in anisometropia cutoff from 1.50 D

From: Choroidal thickness and choriocapillaris vascular density in myopic anisometropia

Parameters Anisometropia more than 1.50 D Anisometropia less than 1.50 D P value
Number 19 25  
Age (years) 14.84 ± 2.22 13.52 ± 2.33 0.064
M:F 10:9 9:16 0.270
SER (D) 2.34 ± 0.62 1.26 ± 0.23 < 0.001
AL (mm) 0.94 ± 0.38 0.58 ± 0.38 < 0.001
VCD (mm) 1.08 ± 0.70 0.56 ± 0.20 0.001
K mean (D) 0.21 ± 0.37 0.12 ± 0.28 0.347
Choroidal thickness (μm)
 Center − 54.98 ± 44.97 − 17.86 ± 29.23 0.002
 Nasal − 46.04 ± 45.44 − 17.47 ± 35.66 0.024
 Temporal − 38.38 ± 41.81 − 23.46 ± 32.67 0.191
Superior − 49.30 ± 43.76 − 9.80 ± 32.66 0.001
Inferior − 51.91 ± 42.06 − 13.70 ± 27.41 0.001
Vascular density (%)
 C0–0.6 − 1.60 ± 6.04 2.22 ± 8.46 0.103
 N0.6–2.5 − 4.31 ± 5.83 1.07 ± 6.70 0.008
 T0.6–2.5 − 2.38 ± 6.41 0.05 ± 8.21 0.293
 S0.6–2.5 − 2.70 ± 5.65 0.93 ± 7.79 0.094
 I0.6–2.5 − 3.14 ± 5.10 0.82 ± 7.25 0.049
Flow void (%)
 C0–0.6 − 0.46 ± 2.67 − 0.60 ± 2.87 0.868
 N0.6–2.5 − 1.61 ± 2.07 0.48 ± 1.77 0.059
 T0.6–2.5 0.21 ± 2.31 0.99 ± 2.01 0.072
 S0.6–2.5 − 0.18 ± 2.19 0.59 ± 1.53 0.174
 I0.6–2.5 0.49 ± 0.98 0.51 ± 1.07 0.951
  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. M male; F female; SER spherical equivalent refraction; D diopter; AL axial length; VCD vitreous chamber depth; K keratometry