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Table 5 Comparisons between cases of different changes of axial length

From: Factors associated with faster axial elongation after orthokeratology treatment

  Decreased AL Increased AL P
Gender 2 M/7F 24 M/40F 0.335*
Parental myopia(1/2/3) 7/2/0 41/8/15 0.099*
Baseline age (years) 11.89 ± 1.90 10.00 ± 1.60 0.007†
Baseline SE (D) −4.33 ± 0.85 −3.06 ± 1.15 0.002†
Baseline corneal power (D) 43.86 ± 1.19 42.96 ± 1.11 0.028‡
Baseline CCT (μm) 520.78 ± 30.94 536.30 ± 30.73 0.161‡
Baseline ACD (mm) 3.76 ± 0.19 3.69 ± 0.19 0.364†
Baseline AL (mm) 24.86 ± 0.66 24.86 ± 0.68 0.995‡
Change of AL (mm) −0.06 ± 0.04 0.22 ± 0.15 <0.001†
  1. SE Spherical equivalent, D Diopter, CCT Central corneal thickness, ACD Anterior chamber depth, AL Axial length
  2. * Chi-square test
  3. †Mann-Whitney U test
  4. ‡One-way ANOVA