Table 1.

Demographics of sample population (n = 168 participants)

Age (mean years, SD)	70.1 (9.78)
Female, % (n)	60.1 (101)
Race, % (n)
White	97 % (163)
Black	1.2 % (2)
Other	1.8 % (3)
Disease Severity, % (n)a
Mild	1.8 % (3)
Moderate	23 % (38)
Severe	50 % (82)
Very Servere	18 % (30)
Normal FEV1/FVC with COPD symptoms	7.1 % (12)
Inadequate spirometry (missing)	1.8 % (3)
Doctor diagnosed asthma, % (n)	43 % (73)
Smoking Status, % (n)
Current smoker	19 % (30)
Ex smoker	81 % (131)
Never smoked	4.2 % (7)
Pack Years (mean, SD)	52 (30.89)

^aDisease severity based on GOLD classification