Table 1 Inclusion and noninclusion criteria.
Inclusion criteria | Exclusion criteria |
|---|---|
1. Patient invasively ventilated for less than 24 hours 2. Expected duration of ventilation more than 12 hours 3. Ventilator S1 available (4 out of 12 beds) | 1. Readiness to wean criteria fulfilled 2. Bronchopleural fistula 3. Brain death |