Table 2. Comparison of percentage and numerical values of decrease in measurements between groups.

TEI, thickness at end-inspiration; TEE, thickness at end-expiration; TF, thickening fraction; SD, standard deviation

	IntelliVent-ASV® Mean ± SD N=30	PS-SIMV Mean ± SD N=30	p
Delta TEI (mm)	-0.11 ± 0.40	0.50 ± 0.58	<0.001
TEI change (%)	-6.76 ± 19.77	16.76 ± 12.19	<0.001
Delta TF (mm)	-0.51 ± 13.17	9.75 ± 8.14	<0.001
TF change (%)	-5.50 ± 34.91	32.22 ± 23.36	<0.001
Delta excursion (mm)	-0.30 ± 2.13	2.85 ± 2.53	<0.001
Excursion change (%)	-1.53 ± 11.32	19.45 ± 15.96	<0.001