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. 2017 Jun 2;21:126. doi: 10.1186/s13054-017-1714-1

Table 3.

Gas distribution in four regions for both NAVA and PSV

	50%			100%			150%
	PSV	NAVA	P	PSV	NAVA	P	PSV	NAVA	P
ROI 1	11.98 ± 11.17	11.76 ± 10.65	0.715	12.89 ± 8.79	11.86 ± 8.89	0.057	12.21 ± 8.49	11.11 ± 9.37	0.039^a
ROI 2	38.60 ± 17.65	36.36 ± 18.71	0.054	44.26 ± 13.63	39.02 ± 15.07	0.003^a	41.94 ± 14.80	37.58 ± 13.87	0.004^a
ROI 3	39.79 ± 21.54	41.37 ± 22.41	0.220	35.75 ± 18.50	40.13 ± 19.64	0.014^a	37.58 ± 18.82	41.37 ± 18.82	0.18
ROI 4	9.66 ± 8.42	10.98 ± 9.05	0.158	7.53 ± 4.98	9.25 ± 5.54	0.005^a	9.10 ± 6.71	10.89 ± 8.06	0.020^a
ROI3 + 4	49.46 ± 27.28	52.35 ± 27.97	0.093	43.28 ± 20.22	49.38 ± 22.00	0.007^a	46.68 ± 21.94	52.26 ± 22.22	0.004^a

NAVA neutrally-adjusted ventilator assist, PSV pressure support ventilation, ROI regions of interest

^aSignificantly different versus NAVA