Qualitative assessment of attributes and ease of use of the ELLIPTA™ dry powder inhaler for delivery of maintenance therapy for asthma and COPD

Table 1 Patient demographics

	Asthma population	COPD population
	(n = 33)	(n = 42)
Age, years	41	61
Duration of disease, years	22.1	7.1
Self-reported disease severity, 1–10 scale*	5.0	5.6
Current inhaler ^†
DISKUS only, n	21	11
HandiHaler and DISKUS, n	N/A	10
HandiHaler only, n	N/A	10
MDI/HFA, n	10	11
DPI (other than DISKUS), n	2	N/A

All data are mean values unless otherwise stated.
*Qualitative scale: 1 = least severe, 10 = most severe.
^†Inhaler used to deliver maintenance therapy.
COPD = chronic obstructive pulmonary disorder; DPI = dry powder inhaler; HFA = hydrofluoroalkane (propellant); MDI = metered dose inhaler.

ISSN: 1471-2466