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. 2021 Aug 19;16(8):e0254751. doi: 10.1371/journal.pone.0254751

Fig 1. VA distribution of the patients.

Fig 1

There were more patients with poor VA in the presurgical VA (less than 0.02) in the COVID-19 pandemic group than in the pre-COVID-19 group (55.7%, 32.4%, p = 0.009). There was no significant difference in the distribution of postsurgery VA in the two groups (p = 0.73).