Code status documentation at admission in COVID-19 patients and a cohort of patient with infections before the pandemic

Patients with COVID-19, admitted from March 2020 to June 2020, and a pre-COVID-19 cohort of patients with (suspected) infections admitted between September 2016 to September 2018 to the University Medical Centre of Utrecht, a tertiary care teaching academic hospital in the Netherlands.
Variables:
- Baseline characteristics (age, sex, dementia, malignancy, Charlson Comorbidity Index, Modified Early Warming Score, housing situation before admission, transfer from another hospital, infection site)
- Code status documentation (is a code registered, is this code discussed with patient/family, are there any treatment limitations, limitation in resuscitation, limitation in ventilation, limitation in ICU admission, other treatment limitation).