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Table 2 Patients’ respiratory parameters before the first prone position session, respiratory management and outcome

From: Extended prone positioning duration for COVID-19-related ARDS: benefits and detriments

Variables Analysed patients
(n = 81)
PaO2/FiO2 ratio, mmHg (missing = 5) 78 [67–100]
PEEP, cmH2O 12 [10–13]
Driving pressure, cmH2O (missing = 13) 12 [10–14]
Respiratory system compliance, mL/cmH2O (missing = 13) 34 [27–43]
ICU length of stay, days 19 [12–30]
Duration of mechanical ventilation, days 21 [9–30]
Duration of proning sessions, h 39 [34–42]
Number of proning sessions 2 [1–4]
Continuous neuromuscular blockers 81 (100)
ECMO 17 (21)
Nitric oxide 34 (42)
Renal replacement therapy 5 (6)
ICU mortality 24 (30)
At least one pressure injury 21 (26)
At least one pressure injury of stage III or IV 2 (2)
At least one proning session with catecholamines 37 (46)
  1. Data are presented as No. (%) or median [interquartile range]
  2. PaO2, partial pressure of dioxide in arterial blood; PaCO2, partial pressure of carbon dioxide in arterial blood; PEEP, Positive End Expiratory Pressure; ICU, intensive care unit; ECMO, Extracorporeal Membrane Oxygenation
  3. Bold formatting of p value indicates a statistically significant value