Main parameter
Total respiratory impedance (Zrs), response frequency (Fres),
viscous resistance
(R5, R10, R15,
R20, R25, R35,
collectively referred to as Rrs) and
elastic resistance
(X5, X10, X15,
X20, X25, X35,
collectively referred to as Xrs) at oscillation frequencies of 5, 10,
15, 20, 25 and 35Hz respectively.