Table 3.

The final weights of nodes of the scoring system.

First level criteria		Second level criteria
The stability of pressurization	0.223	Maximum pressure drop	0.337
		EPAP error	0.278
		IPAP error	0.385
Response to leaks alteration	0.229	Time to settle (increase)	0.622
		Time to settle (decrease)	0.378
Volume delivery	0.160	Peak flow rising ratio during inhalation	0.385
		Tidal volume	0.615
Performance of reaction	0.242	Insp T90	0.341
		Exp T90	0.160
		Trigger time	0.498
Accuracy in oxygen delivery	0.146	–	–