Table 2. Oxygen requirements for patients admitted to the intensive care unit for asthma exacerbation.

NIV: non-invasive ventilation

		Frequency	Percentage
Non-intubated	Room air	38	31.7
	Nasal cannula	38	31.7
	Face mask	4	3.3
	Non-rebreather	10	8.3
	Positive NIV	11	9.2
Intubated		19	15.8
Total		120	100