• Mode of mechanical ventilation, brand of the ventilator, biochemical parameters during mechanical ventilation, use of co-adjuvant therapies (corticosteroids, insulin therapy), use of medications (neuromuscular blockers, sedatives and analgesics), type of interfaces for NIV, type of respirator for NIV, fluid balance, NIV at home, previous tracheostomy, any isolated ventilator monitoring and setting during mechanical ventilation (invasive or not invasive ventilation), destination after hospital discharge.