Factors influencing death in COVID-19 patients treated in the ICU: a single-centre, cross-sectional study - Kokoszka-Bargieł, Izabela; Cyprys, Paweł; Madeja, Patryk; Rutkowska, Katarzyna; Wajda-Pokrontka, Marta; Madowicz, Jarosław; Knapik, Piotr (Anaesthesiology Intensive Therapy, 2022)