Table 3 \(\:Inspiratory pressure\) and \(\:{T}_{90}\) measurements for all test scenarios.

Test scenario Lung ventilator	\(\:Inspiratory\:pressure\)(cmH₂O)				\(\:{T}_{90}\)(s)
Test scenario Lung ventilator	1	2	3	4	1	2	3	4
A	14.41 ± 0.05^HJ	22.51 ± 0.10	29.22 ± 0.08^I	35.50 ± 0.34^CIJK	0.51 ± 0.01^DGK	0.41 ± 0.01	0.42 ± 0.01^JK	0.50 ± 0.07
B	14.31 ± 0.03	22.36 ± 0.19^I	28.16 ± 0.12^EH	32.94 ± 0.05	0.74 ± 0.01	0.79 ± 0.02	0.49 ± 0.01	0.41 ± 0.01 ^JK
C	13.32 ± 0.03^E	21.63 ± 0.17	28.50 ± 0.02^H	32.91 ± 0.01^A	NR	NR	0.49 ± 0.01	0.59 ± 0.01
D	14.05 ± 0.06	22.26 ± 0.30^HI	29.31 ± 0.03^IJ	33.91 ± 0.10	0.78 ± 0.01^AE	0.74 ± 0.01	0.58 ± 0.01	0.62 ± 0.01^E
E	14.70 ± 0.05^CHIJ	23.10 ± 0.06^HIJK	29.69 ± 0.04^BIJ	34.55 ± 0.08^IJ	0.55 ± 0.01^DG	0.33 ± 0.02	0.42 ± 0.00 ^JK	0.26 ± 0.01^DJK
F	13.94 ± 0.06	21.90 ± 0.11	28.93 ± 0.03	33.82 ± 0.03	0.69 ± 0.01	0.50 ± 0.11	0.38 ± 0.03^HJK	0.39 ± 0.03^JK
G	13.63 ± 0.02	22.00 ± 0.03^I	28.89 ± 0.06	33.48 ± 0.02	0.86 ± 0.01^AE	0.86 ± 0.01	0.59 ± 0.01	0.59 ± 0.01
H	11.70 ± 0.03^AEK	19.54 ± 0.11^BDE	32.68 ± 0.03^IBJ	35.01 ± 0.07^CIK	NR	NR	0.66 ± 0.01^F	0.53 ± 0.01
I	12.06 ± 0.28^EK	17.53 ± 0.44B^DEG	25.29 ± 0.45^ADEH	29.89 ± 0.39^AEHJ	NR	NR	NR	NR
J	10.14 ± 0.03^AEK	20.67 ± 0.10^E	27.67 ± 0.02^DEH	32.06 ± 0.03^AEH	NR	NR	0.77 ± 0.01^AEF	0.89 ± 0.01^BEF
K	14.47 ± 0.01^HIJ	20.80 ± 0.03^E	28.59 ± 0.11	32.37 ± 0.01^AH	0.72 ± 0.01^A	NR	0.72 ± 0.01^AEF	0.78 ± 0.01^BEF

Data is presented as mean ± standard deviation (SD). A Differed (ρ<.05) from mechanical ventilator A, B Differed from mechanical ventilator B, C Differed from mechanical ventilator C, D Differed from mechanical ventilator D, E Differed from mechanical ventilator E, F Differed from mechanical ventilator F, G Differed from mechanical ventilator G, H Differed from mechanical ventilator H, I Differed from mechanical ventilator I, J Differed from mechanical ventilator J, K Differed from mechanical ventilator K and NR = no reach the set pressure within set inspiratory time.

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