Table 2 Retinal, choroidal and retrobulbar parameters in TAO patients based on OCTA and CDI scan

Retinal parameters

    SVD(%)

0.26 ± 0.06

0.27 ± 0.09

-0.03794 to 0.04843

0.81

    DVD(%)

0.35 ± 0.04

0.34 ± 0.08

-0.04776 to 0.02684

0.56

Choroidal parameters

    ChT(um)

286.8 ± 71.25

439.8 ± 60.07

115.9 to 190.0

 < 0.001*

    TCA(mm2)

0.84 ± 0.35

1.02 ± 0.40

-0.02714 to 0.3949

0.08

    LA(mm2)

0.43 ± 0.13

0.75 ± 0.16

0.2428 to 0.4029

 < 0.001*

    SA(mm2)

0.32 ± 0.10

0.31 ± 0.12

-0.07465 to 0.05129

0.71

    CVI(LA/TCA)

0.59 ± 0.29

0.87 ± 0.53

0.03886 to 0.5185

0.02*

Retrobulbar parameters

    OA PSV(cm/s)

26.2 ± 9.93

30.61 ± 13.08

-2.144to10.97

0.18

    OA EDV(cm/s)

7.39 ± 3.27

8.01 ± 2.52

-1.022to2.253

0.45

    OA PI

1.08 ± 0.46

1.09 ± 0.37

-2.181to0.2490

0.89

    OA RI

0.71(0.51,0.85)

0.73(0.64,0.80)

-0.1068 to 0.1207

0.90

    CRA PSV(cm/s)

10.29 ± 1.89

11.56 ± 2.20

0.1139to2.425

0.03*

    CRA EDV(cm/s)

3.42 ± 1.07

3.65 ± 1.30

-0.4432to0.9035

0.49

    CRA PI

1.01 ± 0.25

1.06 ± 0.28

-0.09845 to 0.1985

0.5

    CRA RI

0.66 ± 0.11

0.68 ± 0.11

-0.04501 to0.08326

0.55

    PCA PSV(cm/s)

16.23 ± 4.82

19.93 ± 3.50

1.337to6.061

0.003*

    PCA EDV(cm/s)

6.23 ± 2.65

8.14 ± 3.75

0.07788 to 3.743

0.04*

    PCA PI

1.00 ± 0.28

0.73 ± 0.36

-0.4505 to -0.08732

0.004*

    PCA RI

0.67 ± 0.11

0.53 ± 0.25

-0.2510 to -0.03198

0.01*