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Table 3 The Number of OCTA Images Displaying Choroidal Vessels and Similarity Between OCTA and en-face OCT Images in Percentile Depth Series

From: Visualization of deep choroidal vasculatures and measurement of choroidal vascular density: a swept-source optical coherence tomography angiography approach

Depth beneath BM (%SCT)

Number (%) of OCTA images displaying choroidal vessels

Similarity between OCTA and en-face OCT images (mean ± SD%)

12.5 (n = 91)

25 (27.5)

71.9 ± 6.5

25.0 (n = 91)

81 (89.0)

79.6 ± 3.8

37.5 (n = 91)

80 (87.9)

77.9 ± 5.4

50.0 (n = 91)

78 (85.7)

73.6 ± 8.3

62.5 (n = 91)

48 (52.8)

71.6 ± 9.2

75.0 (n = 91)

38 (41.8)

69.2 ± 10.6

87.5 (n = 91)

26 (28.6)

65.8 ± 12.0

  1. The optimal percentile depth with the largest percentage of OCTA images displaying choroidal vessels and the greatest similarity between OCTA and en-face OCT images is shown in bold
  2. BM Bruch membrane, SCT central choroidal thickness, OCTA optical coherence tomography angiography, OCT optical coherence tomography