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. 2014 Dec 5;14:194. doi: 10.1186/1471-2466-14-194

Table 2.

Non-invasive ventilation treatment among the study population, including non-invasive pressure support ventilation (PSV) and high-flow non-invasive continuous positive airway pressure (CPAP)

Characteristic Study population 60 (100)
n. (%) 60 (100)
CPAP Treatment 40 (67)
CPAP Generator
 High-flow Venturi 23 (38)
 Ventilator 15 (25)
 Boussignac Mask 2 (3.3)
CPAP interface
 Helmet 28 (70)
 Nasal Mask 6 (15)
 Face mask 6 (15)
CPAP Initial PEEP, median (IQR) 8 (8–10)
CPAP Initial FiO2, median (IQR) 50 (50–100)
PSV Treatment 20 (33)
PSV interface
 Face mask 15 (75)
 Nasal Mask 3 (15)
 Helmet 2 (10)
PSV Initial PEEP, median (IQR) 5 (5–8)
PSV Initial PS, median (IQR) 15 (10–20)
PSV Initial FiO2, median (IQR) 50 (29–60)

n: number. PEEP: positive end expiratory pressure; FiO2: fraction of inspired oxygen; PS: pressure support; IQR: interquartile range.