Inclusion criteria First contact person of an intensive care unit (ICU) patient with the following inclusion criteria: | |||
 | Pre-COVID-19 | First COVID-19 wave | Second COVID-19 wave |
Age patient | ≥ 18 years | ≥ 18 years | ≥ 18 years |
Period of ICU stay | December 1, 2019– February 1, 2020 | March 15– May 15 2020 | October 1, 2020– January 1, 2021 |
Length of ICU stay | ≥ 3 days | ≥ 3 days | ≥ 3 days |
Diagnosis of the patient | N/A | Confirmed COVID-19 infection | Confirmed COVID-19 infection |
Other criteria regarding patient | Invasive mechanical ventilation ≥ 3 days1 | N/A | N/A |
Exclusion criteria | |||
The first contact person has insufficient proficiency in the Dutch language |