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. 2023 Jan 1;20(1):50–56. doi: 10.7150/ijms.79496

Table 2.

Comparison of AL levels (mm) before and after wearing glasses (Inline graphic)

Group Before Wearing 6 Months after 12 Months after 1 Month after Withdrawal F P
Orth-K 23.18 ± 0.66 23.22 ± 0.68 23.40 ± 0.68 23.40 ± 0.69 16.67 0.000
SVS 23.17± 0.65 23.39 ± 0.69 23.52 ± 0.70 23.52 ± 0.71 20.59 0.000
t 0.711 2.736 0.629 0.821 -- --
p 0.484 0.006 <0.001 <0.001 -- --