Table 4 Comparison between the MK groups according to visual acuity

Before

(n = 116)

(n = 69)

(n = 16)

(n = 22)

(n = 50)

0.004^*

 Mean ± SD

0.078 ± 0.137

0.085 ± 0.127

0.017 ± 0.018

0.100 ± 0.133

0.037 ± 0.058

 Median (Min. – Max.)

0.020^a (0.0 – 0.700)

0.020^ab (0.0 – 0.500)

0.010^c (0.0 – 0.050)

0.020^a (0.010 – 0.400)

0.010^bc (0.0 – 0.300)

After

(n = 97)

(n = 50)

(n = 8)

(n = 12)

(n = 37)

0.003^*

 Mean ± SD

0.234 ± 0.070

0.229 ± 0.256

0.176 ± 0.216

0.400 ± 0.191

0.132 ± 0.172

 Median (Min. – Max.)

0.100^b (0.0 – 1.000)

0.130^bc (0.0 – 0.800)

0.040^bc (0.0 – 0.500)

0.400^a (0.100 – 0.600)

0.100^b (0.0 – 0.700)

 Mean difference

0.157 ± 0.176

0.136 ± 0.161

0.158 ± 0.202)

0.262 ± 0.161

0.098 ± 0.155

  p₁

 < 0.001^*

 < 0.001^*

0.018^*

0.002^*

 < 0.001^*