Table 1.

Parameters for breathing profiles used in eFlow® CS nebulizer assessments

Parameter	Pattern 1	Pattern 2	Pattern 3
PIF, l/min	14.4	15.6	23.4
Tidal volume, ml	200	350	500
Frequency, breaths/min	10	12	15
Total time per breath, s	6	5	4
Inspiratory phase	1.3	2.1	2.0
Expiratory phase	4.7	2.9	2.0
Inspiratory:expiratory ratio	1:3.6	1:1.4	1:1

CS closed system, PIF peak inspiratory flow rate