Skip to main content

Table 3 Results of the comparison of visual acuity in the preoperative and 6-month postoperative periods. (n = 25)

From: Pioneering evaluation in Brazil of microscope-integrated optical coherence tomography with a three-dimensional digital visualization system during pars plana vitrectomy for the treatment of macular hole

 

Intervention

p*

Preoperative n (%)

6 months postoperative n (%)

AV (Snellen)

 20/25

0 (0.0)

4 (16.0)

0.022

 20/30

1 (4.0)

1 (4.0)

0.612

 20/40

0 (0.0)

7 (28.0)

0.043

 20/50

2 (8.0)

2 (8.0)

0.989

 20/60

4 (16.0)

1 (4.0)

0.121

 20/80

6 (24.0)

3 (12.0)

0.102

 20/100

4 (16.0)

0 (0.0)

0.031

 20/150

2 (8.0)

0 (0.0)

0.871

 20/200

4 (16.0)

4 (16.0)

0.982

 20/400

2 (8.0)

2 (8.0)

0.899

 20/800

0 (0.0)

1 (4.0)

0.812

  1. *McNemar Test; VA visual acuity, n absolute frequency, % relative frequency
  2. Source: Research Data