Fig. 3From: Intensive care unit admissions with and without COVID-19 in Finland from 2017 to 2021: a retrospective register-based studyIncidence of ICU admissions in the groups based on ICD-10 diagnostic codes during the COVID-19 pandemic and the reference years (2017–2019). The darker line illustrates the mean of incidences in the reference years (2017–2019)Back to article page