Fig. 2.

pED presentations with suicidality. Relative number of pED presentations with suicidality out of all pED presentations per week in percentages. Red lines indicate values for Covid-19 periods in 2020/2021, blue lines indicate values for control periods 2019/2020. Calendar week indicates weeks in the years 2020 and 2021. As 2019 had only 52 weeks, but 2020 had 53 weeks, the corresponding week for 53/2020 is week 1/2020, corresponding week for 1/2021 is 2/2020 and so forth. Observation period for the first-wave and its control period is displayed on the left, spanning calendar weeks 10/2020—20/2020; observation period for the second-wave and its control period is displayed on the right, spanning calendar weeks 39/2020—8/2021. Weeks are only displayed, if data for complete weeks is available in both years (Covid and control period). Dotted black horizontal lines 1–5 indicate the following events: 1) Beginning of first lockdown in Germany at 03/22/2020; 2) End of first lockdown in Germany at 05/06/2020; 3) Beginning of "lockdown light" in Germany at 11/02/2020; 4) Beginning of the second strict lockdown in Germany at 12/16/2020; 5) first opening steps after second lockdown in Germany at 03/01/2021. Abbreviations used: pED = psychiatric emergency department; Covid = coronavirus disease