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Table 3 Comparison of SV VD of CAS group A versus CAS group B patients. Patients with CAS 0–2 were categorized as group A and scored three or more as group B. (SV: small vessels; VD: vessel density; SD: Standard Deviation; TED: thyroid eye disease; CAS: Clinical Activity Score)

From: Optic nerve head optical coherence tomography angiography findings in patients with thyroid eye disease: a case–control study

  CAS group A
(n:18)
Mean ± SD
(Range)
CAS group B
(n:11)
Mean ± SD
(Range)
P-value
Whole image SV VD 50.95 ± 1.37
(48.40–53.50)
48.60 ± 3.18
(40.20–52.80)
0.013
Inside disc SV VD 49.83 ± 3.88
(43.80–55.80)
46.59 ± 6.24
(37.50–60)
0.103
Whole peripapillary SV VD 53.88 ± 1.38
(51.40–55.90)
51.35 ± 4.63
(38.20–55)
0.092
Peripapillary superior hemifield SV VD 54.12 ± 1.61
(51.40–56.50)
51.80 ± 4.59
(38.60–55.70)
0.072
Peripapillary inferior hemifield SV VD 53.58 ± 2.04
(49.60–56.20)
50.87 ± 4.84
(37.70–55)
0.045
Peripapillary nasal superior SV VD 50.55 ± 3.26
(41.20–54.20)
49.81 ± 6.31
(38.30–60)
0.682
Peripapillary nasal inferior SV VD 49.15 ± 3.12
(43.50–54.40)
46.74 ± 5.71
(35.90–58.00)
0.155
Peripapillary inferior nasal SV VD 52.05 ± 3.73
(46.50–58.30)
50.51 ± 6.71
(35.90–59.90)
0.437
Peripapillary inferior temporal SV VD 58.97 ± 3.65
(49.80–62.30)
57.67 ± 4.53
(51.70–64.80)
0.647
Peripapillary temporal inferior SV VD 54.88 ± 3.80
(48.70–61.10)
51.30 ± 6.48
(40.60–62.00)
0.073
Peripapillary temporal superior SV VD 56.29 ± 3.14
(49.10–60.50)
54.85 ± 5.38
(46.80–63.40)
0.373
Peripapillary superior temporal SV VD 57.17 ± 2.94
(51.30–62.60)
54.20 ± 6.30
(43.00–61.50)
0.152
Peripapillary superior nasal SV VD 51.28 ± 3.33
(42.10–56.20)
49.53 ± 6.89
(34.90–61.50)
0.371