Table I.

Deposition Patterns of Nebulizer (36), pMDIs (38), and Turbuhaler (46) and Calculation

		Device/actuactor/mouthpiece (%)	Oropharyngeal region (%)	Lung (%)	Expired air (%)
Nebulizer	Measurement	61.5 ± 16	10.9 ± 6.5	15.3 ± 12.8	12.2 ± 2.4
	Calculation	61.5	8.2	16.7	13.5
pMDI-CFC	Measurement	10	81.0 ± 12.6	6.3 ± 2.7	2.7 ± 0.9
	Calculation	10	64.70	17.20	8.10
pMDI-HFA	Measurement	15	24.7 ± 11.0	46.8 ± 10.2	13.5 ±3.4
	Calculation	15	37.0	18.3	29.7
DPI	Measurement	18.1 ± 6.4	66.7 ± 8.0	14.8 ± 3.3	0.5 ± 0.4
	Calculation	18.1	49.5	27.0	5.4

pMDI-CFC pressurized metered-dose inhaler-chlorofluorocarbon, pMDI-HFA pressurized metered-dose inhaler-hydrofluorocarbon, DPI dry powder inhaler