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Fig. 2.

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Fig. 2. Changes of best-corrected visual acuity (BCVA) after epiretinal membrane surgery. Group Ⅰ includes patients who went vitrectomy only and group Ⅱ includes patient who went vitrectomy with sulfur hexafluoride (SF6) tamponade. Two groups only showed significant differences of BCVA at 1 month after surgery (p = 0.024). logMAR = logarithm of the minimal angle of resolution. *Significant differences compared with baseline within the group, Wilcoxon Signed Rank test; †significant differences compared with the other group, Mann-Whitney test.
J Retin 2020;5:113-21 https://doi.org/10.21561/jor.2020.5.2.113
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