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Table 1 Demographics and baseline characteristics of the study population

From: Awake prone position reduces work of breathing in patients with COVID-19 ARDS supported by CPAP

  Total population
N = 40
Age, years 59 [53–68]
Male sex 26 (65)
Body mass index, kg/m2 27 [25–31]
Charlson comorbidity index 2 [1–3]
Arterial hypertension 16 (40)
Diabetes mellitus 5 (12)
Solid tumor 4 (10)
Immunosoppression 2 (5)
HACOR score at study start 3 [0–4]
SOFA score at study start 3 [2, 3]
SAPS II score at study start 24 [22–27]
Time from symptoms to hospital admission, days 6 [5–10]
Time from hospital admission to CPAP and proning, days 2 [2–4]
C-reactive protein, mg/L 60 [42–102]
D-dimers, μg/L 371 [248–575]
Lactate, mmol/L 1.3 [1.0–1.4]
ARDS classification
 Mild 14 (35)
 Moderate 22 (55)
 Severe 4 (10)
PaO2/ FiO2 ratio, mmHg 166 [136–224]
PaO2, mmHg 114 [90–141]
PaCO2, mmHg 38 [35–42]
PEEP, cmH2O 10 [8–10]
Dynamic lung compliance [ml/cmH2O] 64 [42–89]
Requirement for endotracheal intubation 7 (18)
Mortality at 28 days 4 (10)
  1. HACOR Heart Rate, Acidosis, Consciousness, Oxygenation, Respiratory Rate, SOFA Sequential Organ Failure Assessment, SAPS II Simplified Acute Physiology Score, CPAP continuous positive airway pressure, ARDS acute respiratory distress syndrome, PEEP positive end-expiratory pressure
  2. Data are presented as counts (percentages) for dichotomous values or median [interquartile range] for continuous values unless otherwise specified