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. 2020 Sep 16;10:15189. doi: 10.1038/s41598-020-72240-y

Table 4.

Centile values of axial length (mm) for the younger (6–7 to 15–16 years) and older (12–13 to 21–22 years) cohorts (1st–99th).

Age (years) Younger cohort
Percentiles
1st 5th 10th 25th 50th 75th 90th 95th 99th
6–7 20.49 21.22 21.52 22.02 22.56 23.07 23.46 23.76 24.25
9–10 20.78 21.59 21.96 22.53 23.08 23.59 24.08 24.49 24.88
12–13 21.03 21.81 22.24 22.82 23.36 23.88 24.42 24.78 25.08
15–16 21.44 22.20 22.58 23.12 23.65 24.26 24.73 25.21 25.63
9 year change 0.95 0.98 1.06 1.10 1.09 1.19 1.27 1.45 1.38
Approx. annual change 0.11 0.11 0.12 0.12 0.12 0.13 0.14 0.16 0.15
Age (years) Older cohort
Percentiles
1st 5th 10th 25th 50th 75th 90th 95th 99th
12–13 20.79 21.76 22.17 22.71 23.30 23.91 24.46 24.86 25.54
15–16 20.96 21.86 22.3 22.84 23.44 24.09 24.67 25.08 26.12
18–19 20.83 21.64 22.18 22.84 23.47 24.19 24.97 25.29 26.5
21–22 20.97 21.91 22.53 23.04 23.69 24.54 25.20 25.50 26.75
9 year change 0.18 0.15 0.36 0.33 0.39 0.63 0.74 0.64 1.21
Approx. annual change 0.02 0.02 0.04 0.04 0.04 0.07 0.08 0.07 0.13