Apnea-Hypopnea Index in Chronic Obstructive Pulmonary Disease Exacerbation Requiring Noninvasive Mechanical Ventilation with Average Volume-Assured Pressure Support

Table 3

Intubation events according to Apnea-Hypopnea and Deoxygenation Indices.

Events	Apnea-Hypopnea Index			IDO Index
	<5	5 a 15	>15	<5	5 a 15	>15
Intubation	—	1 (50%)	1 (50%)	—	2(100%)	—
No intubation	6 (21.4%)	12 (42.9%)	10 (35.7%)	14 (50%)	12 (42.9%)	2 (7.1%)
Days of stay in ICU	7,8 ± 3.1	9 ± 3.9	8.4 ± 1,9	8.4 ± 3,7	9 ± 2.6	7 ± 1.4
Days of NIV	4.8 ± 1.7	5.9 ± 3.8	5.8 ± 1.6	5.3 ± 3.2	6 ± 2.4	5 ± 1.4