Table 1.

Patient cohort—demographics and data.

Gender	No.	Age	No.	Acquisition source	No.	Oxygen delivery method	No.	Outcome at data collection completion	No.
Male	57	25–34	6	Community	85	Room air	55	Discharged	67
Female	53	35–44	6	Hospital	25	Nasal O2	28	Inpatient	17
		45–54	21			Non rebreathe/Venturi	14	Died	26
		55–64	13			NIV	13
		65–74	21
		75–84	21
		85–94	20
		95–100	2