. Author manuscript; available in PMC: 2016 Aug 1.

Published in final edited form as: Respir Med. 2015 Jun 24;109(8):1058–1062. doi: 10.1016/j.rmed.2015.06.012

Table 1.

Baseline patient characteristics

	Mean or N (Total N = 551)	Standard deviation or %
Age (years)	69.3	8.7
Male sex	390	70.9%
Smoker (former or current)	387	70.5%
Self reported co-morbid obstructive lung disease
Asthma	48	8.7%
Chronic obstructive pulmonary disease	78	14.2%
Bronchodilator medications
Bronchodilator^*	165	30%
Inhaled corticosteroid^**	101	18.3%
Long-term oxygen therapy	182	33.6%
Pulmonary symptoms and signs
Cough	460	83.8%
Wheezing on exam	21	3.9%
Crackles on exam	519	95.9%

Bronchodilators include albuterol (n= 101), ipratropium (n= 46), salmeterol (n= 59), formoterol (n=8), tiotropium (n=29), levalbuterol (n=1), pirbuterol (n=1). Some patients reported multiple bronchodilators.

^**

Inhaled corticosteroids include fluticasone (n=66), budesonide (n=20), mometasone (n=3), beclomethasone (n=4), flunisolide (n=2). Some patients reported multiple inhaled corticosteroids.