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Table 2 Comparison in VA improvement postoperative 6 months and 1 year, and 1 year and 2 years in each gauge

From: Comparison of outcomes between 20, 23 and 25 gauge vitrectomy for idiopathic macular hole

Gauge VA at 6 months VA at 1 year P value VA at 1 year VA at 2 years P value
20 gauge 20/110 20/60 0.011 20/60 20/50 0.188
23 gauge 20/80 20/69 0.864 20/69 20/55 0.003
25 gauge 20/76 20/40 0.002 20/ 40 20/40 0.268