Table 1.

Demographics of the primary cohort

Respiratory statusa	N	Individual ages	Gender
Healthy	4	[6, 8, 10, 54]	2M: 2F
COPD	6	[35, 43, 63, 69, 72, 78]	5M: 1F
Asthma	4	[49, 57, 72, 75]	2M: 2F
Pneumonia	2	[57, 64]	2M: 0F
Cystic fibrosis	1	8	0M: 1F
Sarcoidosis	1	65	0M: 1F
Suspected pulmonary edema	1	72	1M: 0F
History of pneumothorax	1	55	1M: 0F
Total	20	52 ± 23.5b	13M: 7F

COPD, chronic obstructive pulmonary disease; F, female; M, male; SD, standard deviation.

^aClinician diagnosis.

^bValue is mean ± SD.