[Retracted] Development of Refractive Parameters in 3- to 6-Year-Old Children and Its Application in Myopia Prediction and Intervention Guidance
Table 3
Distribution of axial length (AL), corneal radius of curvature (CR), and AL/CR in different ages and genders.
AL
CR
AL/CR
Age (year)
Case ()
Mean
Standard deviation
Peak degree
Partial degree
Mean
Standard deviation
Peak degree
Partial degree
Mean
Standard deviation
Peak degree
Partial degree
Total
5506
22.31
0.73
0.50
0.034
7.76
0.26
0.15
0.07
2.87
0.08
0.91
-0.04
3
259
21.98
0.63
-0.17
0.14
7.78
0.26
0.28
0.40
2.83
0.07
0.87
-0.06
4
1483
22.12
0.69
0.88
0.08
7.75
0.25
0.26
0.11
2.85
0.08
3.29
0.06
5
2115
22.34
0.73
0.67
0.01
7.77
0.26
0.15
-0.02
2.88
0.08
4.3
-0.01
6
1649
22.49
0.73
0.40
-0.07
7.76
0.25
0.04
0.09
2.90
0.07
1.66
-0.3
value
Male
2828
22.57
0.68
0.85
0.09
7.83
0.25
0.06
0.15
2.88
0.08
2.85
0.05
3
125
22.20
0.62
-0.05
0.05
7.84
0.26
-0.10
0.30
2.83
0.07
-0.40
0.08
4
756
22.36
0.65
1.06
0.37
7.82
0.24
0.15
0.30
2.86
0.07
5.28
0.35
5
1107
22.62
0.67
1.54
0.00
7.84
0.25
0.02
0.11
2.89
0.08
4.19
0.02
6
840
22.75
0.67
0.72
-0.05
7.82
0.25
0.07
0.06
2.91
0.07
1.73
-0.24
value
Female
2678
22.03
0.68
0.39
-0.03
7.70
0.25
0.16
0.02
2.86
0.07
2.43
-0.18
3
134
21.77
0.57
-0.28
0.12
7.72
0.26
1.03
0.57
2.82
0.07
2.08
-0.18
4
727
21.87
0.64
0.40
-0.22
7.69
0.25
0.21
0.04
2.85
0.07
1.38
-0.19
5
1008
22.04
0.67
0.43
0.02
7.70
0.25
0.07
-0.13
2.87
0.07
4.75
-0.12
6
809
22.21
0.68
0.42
-0.08
7.70
0.24
0.06
0.09
2.89
0.07
1.69
-0.40
value
value
Note: is the statistical difference between 3- and 6-year-old children (Kruskal-Wallis test). is the statistical difference between all boys and all girls aged 3-6 years (Kruskal-Wallis test).