Table 2 The variation of the SR, MTF cutoff and OSI with time in the SMILE and FS-LASIK group (mean ± SD)

SMILE group

0.260 ± 0.064

0.221 ± 0.069*

0.212 ± 0.057*

0.233 ± 0.069*

0.057

FS-LASIK group

0.245 ± 0.077

0.185 ± 0.062*

0.175 ± 0.062*

0.178 ± 0.047*

p₁-value

0.259

0.010

0.007

<0.001

SMILE group

43.684 ± 7.955

39.161 ± 10.711*

37.547 ± 10.297*

40.552 ± 10.005

0.062

FS-LASIK group

41.462 ± 9.809

32.520 ± 12.305*

32.361 ± 10.764*

31.489 ± 9.626*

p₁-value

0.151

0.007

0.029

<0.001

SMILE group

0.49 ± 0.24

0.88 ± 0.53*

0.84 ± 0.44*

0.80 ± 0.53*

<0.001

FS-LASIK group

0.59 ± 0.33

1.63 ± 1.01*

1.39 ± 0.92*

1.29 ± 0.72*

p₁-value

0.719

<0.001

0.001

0.001