Fig. 2From: Observational study on chest pain during the Covid-19 pandemic: changes and characteristics of visits to a Norwegian emergency department during the lockdownRelative trend in ED visits (2020/2019) due to chest pain throughout the study period (weeks 2–35) in relation to Covid-19 cases in Norway. Ratio for weekly ED visits in 2020 (three-week moving average) compared to 2019 (five-week moving average) is depicted with the blue solid line. The orange dashed line represents the cumulative number of Covid-19 cases in Norway during these weeks with a scale factor of 100Back to article page