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Table 1 Refraction and demographic data of the two groups (\( \overline{x} \)±s/ M)

From: High incidence of rainbow glare after femtosecond laser assisted-LASIK using the upgraded FS200 femtosecond laser

  Group A Group B t / Z P
Age (years) 27.62±6.25 26.24±7.02 1.597 0.111
SE(D) −6.36±2.04 −6.47±2.26 0.617 0.535
Cyl(D) −0.75 (0~ − 3.25) −0.75 (0~ − 4.25) 2.143 0.062
AD (μm) 92.06±21.02 94.71±22.20 −1.43 0.153
  1. SE spherical equivalent, Cyl cylinder, AD excimer laser ablation depth