Table 2. Device-specific inhalation errors at baseline (N = 152).

		Mean number of errors per patient
	Patients N	Preparation (out of 3 steps)	Inhalation (out of 6 steps)	Closure (out of 1 step)
pMDI	47	0.53	3.21	0
Handihaler	43	0.67	2.49	0.77
Turbohaler	24	1.04	2.92	0.25
Breezhaler	10	0.80	2.80	0.60
Diskus (Accuhaler)	9	1.11	3.22	0.67
Respimat	8	1.25	2.50	0.13
Aerolizer	7	0.57	2.71	0.57
Novolizer	4	0.75	3.50	1.00

pMDI = pressurized metered dose inhaler