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Table 1 . Comparison of total ED volumes before and after COVID-19 pandemic .

a Pre-pandemic period defined from March to December in 2019.

Group

Pre-pandemic ED visitsa

Pandemic ED visitsb

Decreased rate (%)

p value

Hospital A

76,890

59,162

23

< 0.001 *

Hospital B

35,141

29,393

16

< 0.001 *

Hospital C

51,879

43,706

16

< 0.001 *