Table 2 Baseline demographics and biometric data of subjects enrolled in the study

Total

N = 65

N = 63

Age (y)

9.82 ± 1.63

9.86 ± 2.12

0.923*

M/F ratio

23:42

26:37

0.134†

SER (D)

−4.29 ± 2.04

−4.24 ± 2.38

0.898*

Corneal curvature (D)

43.45 ± 1.27

43.45 ± 1.47

0.999*

Axial length (mm)

24.91 ± 0.83

24.85 ± 1.08

0.725*

Low myopia

N = 20

N = 20

Age (y)

9.23 ± 1.53

8.87 ± 1.71

0.481*

M/F ratio

7:13

8:12

0.744†

SER (D)

−1.99 ± 0.56

−1.64 ± 0.62

0.074*

Corneal curvature (D)

43.07 ± 1.54

43.41 ± 1.71

0.521*

Axial length (mm)

24.29 ± 0.73

23.97 ± 0.87

0.207*

Moderate myopia

N = 23

N = 21

Age (y)

9.72 ± 1.22

10.16 ± 1.82

0.358*

M/F ratio

9:14

9:12

0.802†

SER (D)

−3.97 ± 0.77

−3.82 ± 0.53

0.439*

Corneal curvature (D)

43.45 ± 1.02

43.56 ± 1.41

0.765*

Axial length (mm)

24.78 ± 0.40

24.74 ± 0.83

0.829*

High myopia

N = 22

N = 22

Age (y)

10.48 ± 1.92

10.47 ± 2.46

0.995*

M/F ratio

7:15

9:13

0.531†

SER (D)

−6.72 ± 0.62

−7.01 ± 1.18

0.316*

Corneal curvature (D)

43.79 ± 1.19

43.39 ± 1.33

0.290*

Axial length (mm)

25.61 ± 0.73

25.77 ± 0.70

0.477*