Table 2: Comparison of BCVA (logMAR) and Metamorphopsia Scores (M-CHARTS) Before and After Surgery in ILM Peeling and Non-ILM Peeling Groups.

 ILM peeling group Non-ILM peeling group p1 p2
Mean±SD Median (min-max) Mean±SD Median (min-max)
BCVA (logMAR)
Preoperative
Postoperative
0,41±0,19
0,20±0,15
0,40 (0,16-0,70)   0,48±0,16  0,52 (0,16-0,80)
0,16 (0,00-0,52)   0,25±0,14  0,22 (0,00-0,52)		 0,001* <0,001*
VM score
Preoperative
Postoperative
0,47±0,27
0,28±0,15
0,40 (0,2-1,1)   0,43±0,28  0,40 (0,0-1,3)
0,20 (0,0-0,7)   0,22±0,15  0,20 (0,0-0,5)		 0,003** 0,001**
HM score
Preoperative
Postoperative
0,49±0,28
0,21±0,14
0,40 (0,0-1,0)   0,59±0,38  0,50 (0,2-1,5)
0,20 (0,0-0,4)   0,21±0,24   0,20 (0,0-0,8)		 0,001** <0,001**

Abbreviations: ILM, Internal Limiting Membrane; ERM, epiretinal membrane; BVCA, best corrected visual acuity; LogMAR, logarithmic minimum angle of resolution; HM, horizontal metamorphopsia; VM, vertical metamorphopsia; min, minimum, max, maximum. *Paired sample t test, **Wilcoxon test; p1, ILM peeling group (before vs. after surgery); p2, non-ILM peeling group (before vs. after surgery).