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Table 3 Characteristics of patients receiving noninvasive positive pressure ventilation (NPPV) according if they were or were not recruited in the study

From: Early fiberoptic bronchoscopy during non-invasive ventilation in patients with decompensated chronic obstructive pulmonary disease due to community-acquired-pneumonia

  Recruited (n = 15) Non-recruited (n = 23) P
Age, years, mean (SD) 80 (5) 79 (4) 0.803
Male, n (%) 12 (80) 14 (61) 0.294
BMI, Kg/m2, mean (SD) 25 (4) 25 (3) 0.537
Charlson score, median (IQR) 2 (1-2) 2 (1-1) 0,535
pH, mean (SD) 7.27 (0.02) 7.28 (0.01) 0.677
PaO2/FiO2, mean (SD) 163 (60) 169 (15) 0.988
PaCO2 mmHg, mean (SD) 76 (7) 75 (10) 0.647
APACHE III score, mean (SD) 71 (9) 70 (6) 0.804
Kelly-Matthay score, mean (SD) 3.4 (1.2) 3.2 (1.0) 0.633
CAP, n involved lobes, median (IQR) 2 (1-2) 1 (1-2) 0.883
  1. APACHE, acute physiology and chronic health evaluation; BMI, body mass index;
  2. CAP, community-acquired pneumonia; FiO2, fraction of inspired oxygen; IQR, interquartile range; PaCO2, partial pressure of arterial carbon dioxide; PaO2, partial pressure of arterial oxygen; SD, standard deviation.