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Table 2 Anatomical and visual outcomes of vitrectomy

From: Vitrectomy with or without internal limiting membrane peeling for myopic foveoschisis

Parameter

Cohort (retrospectively grouped)

P-value*

No ILMP (n = 11)

ILMP (n = 21)

BCVA (logMAR)

 Preoperative

1.27 ± 0.63

1.25 ± 0.51

0.904*

 Postoperative (final)

0.73 ± 0.55

0.98 ± 0.57

0.340*

P-value†

0.012

0.143

Categorical change in BCVAǂ

  

0.072§

 Improved

10 (90.9%)

12 (57.1%)

 Unchanged

0 (0.0%)

4 (19.1%)

 Worsened

1 (9.1%)

5 (23.8%)

Central foveal thickness (μm)

 Preoperative

469 ± 203

495 ± 178

0.592*

 Postoperative

253 ± 56

244 ± 63

0.111*

P-value†

0.003

< 0.001

Postoperative complications

 Full thickness macular hole

0

1 (5.6%)

 Retinal detachment

0

2 (11.1%)

  1. Numerical variables are given as mean ± standard deviation (SD). Categorical variables are given as count (percentage in brackets)
  2. *, P-value between no-ILMP and ILMP cohort (Mann-Whitney U-test). †, p-value between preoperative and postoperative values (Wilcoxon paired signed-rank test). ‡ An improvement or worsening of visual acuity was defined as a change 0.2 logMAR units. §, p-value between Non-peel and ILM peel group (Kruskal–Wallis test)