. Author manuscript; available in PMC: 2006 Apr 5.

Published in final edited form as: Eur Respir J. 2004 Dec;24(6):1011–1017. doi: 10.1183/09031936.04.00002404

Table 1.

Characteristics of study subjects

	Asthmatics	COPD	Controls
Age yrs	38.5 (24–67)	74 (34–83)	32 (25–50)
Sex F/M	5/5	1/10	8/1
Steroid treatment n	3	3	0
FEV1 L	2.8 (0.9–4.7)	1.5 (0.8–3.1)^*	3.2 (2.08–5.78)
FVC L	3.9 (2.9–5.4)	2.9 (1.5–4.2)	3.55 (2.54–6.82)
FEV1 % pred	93.5 (54–125)	66.5 (45–82)^*	115 (90–136)
FVC % pred	105 (89–115)	86 (64–164)	110 (93–134)

Data are presented as median (range), unless otherwise stated. COPD: chronic obstructive pulmonary disease; F: female; M: male; FEV1: forced expiratory volume in one second; FVC: forced vital capacity.

p<0.05 asthmatics versus COPD patients.