Table 2.

Demographics of the geriatric population

	Healthy controls		COPD
	Non-geriatric	Geriatric	Non-geriatric	Geriatric
n	58	43	38	95
Age (years)	54.33±8.83	79.56±6.00	56.50±5.34	77.15±6.57
Male/female	43/15	27/16	36/2	74/21
BMI (kg/m2)	24.95±3.05	24.11±3.50	22.78±4.48	23.91±3.77

Note: Data are expressed as numbers and mean ± standard deviation.

Abbreviation: BMI, body mass index.