Table 1. Summary of findings of ELLIPTA dry powder inhaler ease of use questionnaire and investigator assessment of inhaler technique for each study and when pooled together.

	HZA106827 N=609	FFA114496 N=219	FFA115283 N=222	Total N=1,050
Ease of use questionnaire	n=570	n=213	n=206	N=989
How did you rate the ease of use of the inhaler?, n (%)
Very easy	362 (64)	146 (69)	132 (64)	640 (65)
Easy	157 (28)	64 (30)	68 (33)	289 (29)
Neutral	43 (8)	3 (1)	4 (2)	50 (5)
Difficult	7 (1)	0	2 (<1)	9 (1)
Very difficult	1 (<1)	0	0	1 (<1)
How easily are you able to tell how many doses of medication are left in the inhaler?, n (%)
Very easy	419 (74)	169 (79)	144 (70)	732 (74)
Easy	126 (22)	42 (20)	51 (25)	219 (22)
Neutral	22 (4)	2 (<1)	8 (4)	32 (3)
Difficult	3 (<1)	0	1 (<1)	4 (<1)
Very difficult	0	0	2 (<1)	2 (<1)
Inhaler use assessment
Randomisation,a n (%)
n	609	218	222	1,049
Patient used the inhaler correctly	578 (95)	206 (94)	216 (97)	1,000 (95)
1 Additional instruction required	22 (4)	11 (5)	5 (2)	38 (4)
2 Additional instructions required	8 (1)	1 (<1)	1 (<1)	10 (1)
3 Additional instructions required	1 (<1)	0	0	1 (<1)
>3 Additional instructions required	0	0	0	0
Week 2, n (%)
n	593	215	216	1,024
Patient used the inhaler correctly	593 (100)	211 (98)	216 (100)	1,020 (>99)
1 Additional instruction required	0	3 (1)	0	3 (<1)
2 Additional instructions required	0	1 (<1)	0	1 (<1)
3 Additional instructions required	0	0	0	0
>3 Additional instructions required	0	0	0	0
Week 4, n (%)
n	569	213	206	988
Patient used the inhaler correctly	569 (100)	210 (99)	205 (>99)	984 (>99)
1 Additional instruction required	0	3 (1)	1 (<1)	4 (<1)
2 Additional instructions required	0	0	0	0
3 Additional instructions required	0	0	0	0
>3 Additional instructions required	0	0	0	0

^aWeek 0; after one demonstration of correct usage.