Table 1

Recorded PEF, pressure at PEF, RT, and DT for profiles A and B with PEF at two flows of around 500 and 200 l/min

ProfileInput RT (ms)Input DT (ms)PEF pressure (bar)PEF (l/min)Recorded RT (ms)Recorded DT (ms)
PEF=peak expiratory flow; RT=rise time; DT=dwell time.
A1301601.50, 1.50, 1.50540, 540, 545129, 130, 129117, 116, 116
A1302300.31, 0.31, 0.31210, 190, 210130, 127, 127109, 100, 106
B30141.51, 1.51, 1.51520, 520, 52031, 30, 3114, 15, 14
B30140.28, 0.30, 0.29190, 190, 19031, 31, 3012, 13, 13