Table 4 The variation of the wavefront aberrations with time in the SMILE and FS-LASIK group (mean ± SD)

SMILE group

7.814 ± 2.800

1.714 ± 1.797*

1.824 ± 1.598*

1.972 ± 1.670*

FS-LASIK group

8.671 ± 3.370

1.651 ± 1.458*

1.470 ± 1.462*

2.152 ± 1.704*

p₁-value

0.133

0.856

0.250

0.613

SMILE group

0.967 ± 0.557

0.381 ± 0.357*

0.391 ± 0.300*

0.441 ± 0.431*

FS-LASIK group

1.207 ± 0.988

0.420 ± 0.434*

0.380 ± 0.344*

0.427 ± 0.350*

p₁-value

0.134

0.513

0.940

0.869

SMILE group

0.081 ± 0.179

0.223 ± 0.374*

0.258 ± 0.452*

0.241 ± 0.487*

FS-LASIK group

0.053 ± 0.115

0.309 ± 0.536*

0.270 ± 0.400*

0.297 ± 0.388*

p₁-value

0.338

0.316

0.887

0.503

SMILE group

0.235 ± 0.167

0.367 ± 0.349*

0.396 ± 0.411*

0.407 ± 0.461*

FS-LASIK group

0.265 ± 0.298

0.571 ± 0.514*

0.537 ± 0.435*

0.574 ± 0.526*

p₁-value

0.543

0.019

0.124

0.092

SMILE group

0.213 ± 0.152

0.172 ± 0.130*

0.163 ± 0.119*

0.170 ± 0.172*

FS-LASIK group

0.246 ± 0.200

0.140 ± 0.090*

0.142 ± 0.097*

0.130 ± 0.085*

p₁-value

0.363

0.162

0.215

0.142