Fig. 2From: NYU-EDA in modelling the effect of COVID-19 on patient volumes in a Finnish emergency departmentImpact of COVID-19 on daily arrivals as stratified by NYU-EDA groups. Black solid line = 2020, dark grey area = range in 2018 and 2019, grey dotted line = mean of 2018 and 2019. The light grey box marks the period from March 16 to June 11. Variance is reduced by using a rolling mean with a centered window of 20 daysBack to article page