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Table 1 Characteristics of patients

From: High frequency percussive ventilation increases alveolar recruitment in early acute respiratory distress syndrome: an experimental, physiological and CT scan study

Patient number Etiology Comorbidity IBW (kg) ARDS onset (h) FiO2 (%) PaO2/FiO2 (mmHg) PEEP (cmH2O) Tidal volume (mL/kg IBW) Compliance (mL.cmH2O-1) Pplat (cmH2O) ARDS phenotype
1 Infectious Pneumonia Acute leukemia 63 18 50 154 8 7.6 20 33 NF
2 Infectious Pneumonia Myelofibrosis 70 6 100 127 16 5.9 25 33 NF
3 Infectious Pneumonia Acute leukemia 55 24 70 109 18 5.8 21 33 NF
4 Infectious Pneumonia   47 4 100 75 12 5.7 13 28 NF
5 Infectious Pneumonia Acute leukemia 54 10 60 145 13 6.3 18 31 NF
6 Aspiration Cardiac arrest 73 4 100 50 12 5 .8 17 30 NF
7 Aspiration Gastrectomy 77 12 100 80 18 5.5 20 28 NF
8 Viral pneumonia   64 6 70 113 20 7.4 18 32 NF
Median    63.5 8.0 85 111 14.5 5.9 19.0 31.5  
IQR    (55.0–70.8) (5.5–13.5) (68–100) (79–132) (12.0–18.0) (5.8–6.6) (17.8–20.3) (29.5–33.0)  
  1. Data are presented as median (IQR). Abbreviations: ARDS acute respiratory distress syndrome, IBW ideal body weight (Lorentz formula), FiO 2 fraction of inspired oxygen, PaO 2 arterial oxygen tension, NF non-focal, PEEP positive end-expiratory pressure, Pplat plateau pressure