eTable 3. Access route, mode and settings of ventilation immediately before the first spontaneous breathing trial.

Access route for ventilation (%)
Orotracheal intubation	12.3
Tracheostomy	87.7
Mode of ventilation (%)
Controlled ventilation	27.7
Assisted ventilation	67.7
Missing data	4.6
Ventilator settings
IPAP (mbar)	20 (17–24)
PEEP (mbar)	6 (5– 8)
Tidal volume (ml)	514 (435–621)
Respiratory rate (per minute)	18 (15– 22)

IPAP, Inspiratory positive airway pressure; PEEP, positive end-expiratory pressure

Data expressed as % or median (25th–75th percentiles)