Table 1 Comparison of choriocapillaris metrics between acute and chronic CSC.

Node numbers (n)

10632.73

592.94

10423.23

600.46

0.032*

2368.87

170.6

2263.7

222.22

0.003*

Vessel area density (%)

49.46

1.16

49.05

1.28

0.010*

48.22

1.18

48.2

1.45

0.843

Total vessel length (um)

874.08

35.87

859.82

33.54

0.013*

715.64

91.8

693.04

91.61

0.144

Vessel length density (%)

14.23

0.58

13.99

0.55

0.014*

34.08

4.37

33

4.36

0.144

Vessel length density (mm-1)

24.28

1

23.88

0.93

0.013*

19.88

2.55

19.25

2.54

0.144

Mean length (um)

39.1

0.69

38.99

0.68

0.211

123.62

9.21

125.22

9.75

0.283

Median length (um)

31.37

0.49

31.32

0.47

0.505

65.29

2.13

65.83

1.09

0.044

Lengths variation (um)

5811.81

2089.71

5506.68

1917.57

0.37

146097.6

30903.62

151235.5

32710.16

0.359

Lengths skew (um)

42.88

5.2

42.1

5.04

0.352

8.85

0.87

8.77

0.9

0.386

Lengths kurtosis (um)

2335.66

660.66

2249.04

589.97

0.443

90.71

18.46

88.71

18.59

0.314

Mean diameter (um)

25.24

0.62

25.41

0.63

0.102

38.54

1.19

39.28

1.4

0.001*

Median diameter (um)

23.19

0.43

23.21

0.44

0.795

34.1

0.52

34.29

0.84

0.055

Diameter variation (um)

97.27

13.22

102.45

12.87

0.013*

77.52

29.35

121.06

128.38

0.001*

Diameter skew (um)

1.36

0.07

1.4

0.08

0.004*

3.89

0.95

4.2

1.9

0.641

Diameter kurtosis (um)

5.76

0.4

5.94

0.48

0.024*

28.11

17.39

34.22

43.85

0.579

Branchpoint density (nodes/mm)

12.16

0.31

12.12

0.34

0.512

3.34

0.27

3.29

0.29

0.211

Fractional dimention

1.971

0.002

1.971

0.003

0.259

1.828

0.007

1.831

0.007

0.016*