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Table 1 General characteristics of patients with acute respiratory distress syndrome under prone position at the time of inclusion

From: Tidal volume challenge to predict preload responsiveness in patients with acute respiratory distress syndrome under prone position

Variables All patients
(n = 58)
Age (years) 65 ± 11
Male (n, %) 45 (76)
Body mass index (kg/m2) 27.4 (24.5–30.7)
Hypertension (n, %) 33 (57%)
COVID-19 (n, %) 44 (76)
SAPS II at admission 39 (32–52)
SOFA score at admission 4 (4–6)
ICU length of stay (days) 23 (12–35)
ICU mortality (n, %) 32 (55)
  1. Values are expressed as mean ± SD or median (interquartile range) or number (percentage). COVID-19, Coronavirus disease 2019; ICU, intensive care unit; SAPS II, Simplified Acute Physiology Score II; and SOFA, Sequential Organ Failure Assessment