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Table 1 Baseline characteristics of patients with ARDS who had open lung biopsy (n = 101)

From: Diffuse alveolar damage associated mortality in selected acute respiratory distress syndrome patients with open lung biopsy

Characteristic Value
Age 56.8 ± 16.8
Gender, number (male/female) 65/36
Immunocompromised, number 26 (26 %)
APACHE II score, ARDS diagnosis day 23.2 ± 5.5
SOFA score, ARDS diagnosis day 6.1 ± 3.2
PaO2/FiO2 (mm Hg), ARDS diagnosis day 142.4 ± 60.2
PEEP (cm H2O), ARDS diagnosis day 11.5 ± 2.1
SOFA score, biopsy day 7.0 ± 3.4
PaO2/FiO2 (mm Hg), biopsy day 148.7 ± 67.9
PEEP (cm H2O), biopsy day 11.8 ± 2.7
Tidal volume (mL), biopsy day 423.3 ± 99.6
Tidal volume (mL/predicted body weight) 8.3 ± 2.0
Duration from ARDS diagnosis to biopsy (days) 7.4 ± 7.1
Categories, ARDS diagnosis day, number (%) 101 (100 %)
  Mild ARDS 17 (16.8 %)
  Moderate ARDS 57 (56.5 %)
  Severe ARDS 27 (26.7 %)
Categories, biopsy day, number (%) 101 (100 %)
  Mild ARDS 18 (17.8 %)
  Moderate ARDS 58 (57.4 %)
  Severe ARDS 25 (24.8 %)
  1. All values are expressed as number of patients (%) or mean ± SD. Abbreviations: ARDS Acute respiratory distress syndrome, APACHE Acute physiology and chronic health evaluation, SOFA Sequential organ failure assessment, PaO2 Arterial partial pressure of oxygen, FiO2 Fraction of inspired oxygen, PEEP Positive end-expiratory pressure