Table 4 Demographics of top 5 variables listed in the Fisher’s scoring system using different variables from Pentacam HR model and UHR-OCT model to discriminate sub-clinical KC group from normal group

2.8 ± 0.7

4.1 ± 1.0

6.8 ± 2.5

<  0.001

1.3 ± 0.3

1.7 ± 0.5

2.6 ± 1.0

<  0.001

4.8 ± 2.5

11.1 ± 7.4

28.5 ± 10.3

<  0.001

17.2 ± 5.9

24.5 ± 8.3

91.0 ± 37.2

<  0.001

1.02 ± 0.03

1.05 ± 0.03

1.21 ± 0.12

<  0.001

0.1 ± 0.1

0.2 ± 0.1

0.8 ± 0.4

<  0.001

−0.6 ± 2.2

1.9 ± 5.0

14.7 ± 10.6

<  0.001

3.3 ± 1.1

4.4 ± 1.2

7.9 ± 2.4

<  0.001

78.6 ± 5.4

63.6 ± 23.4

50.0 ± 14.4

<  0.001

15.2 ± 1.5

12.4 ± 4.5

9.4 ± 2.6

<  0.001