With 3 Types of Respiratory Acquisition: 3.0 T Respiratory Triggered Acquisition Can Obtain Higher Quality DWI Images of the Upper Abdomen

Table 3

Comparison of the SNR of different organs in the upper abdomen between 1.5 T and 3.0 T.

	Organ	SNR at b100			SNR at b800
		1.5 T	3.0 T		1.5 T	3.0 T
RT	Liver	6.0 ± 1.5	3.7 ± 1.2	<0.0001	3.0 ± 0.7	1.9 ± 0.2	<0.0001
	Gall bladder	41 ± 1.9	60 ± 1.8	<0.0001	4.7 ± 2.6	7.0 ± 2.9	<0.0001
	Kidney	22 ± 2.1	28 ± 2.6	0.001	4.6 ± 1.1	5.5 ± 1.8	0.008
	Spleen	18 ± 9.0	19 ± 2.0	0.401	9.0 ± 3.9	11 ± 7.1	0.002
	Pancreas	9.0 ± 2.9	12 ± 1.9	0.001	3.1 ± 0.6	4.5 ± 1.4	0.001
BH	Liver	4.0 ± 1.0	2.3 ± 0.3	<0.0001	2.2 ± 0.8	1.8 ± 0.9	0.080
	Gall bladder	33 ± 7.0	39 ± 1.8	0.046	2.9 ± 0.3	3.9 ± 1.7	0.002
	Kidney	18 ± 5.9	21 ± 3.0	0.032	3.8 ± 0.6	4.2 ± 0.2	0.141
	Spleen	11 ± 8.0	17 ± 9.0	<0.0001	6.6 ± 4.7	8.0 ± 4.1	0.001
	Pancreas	6.0 ± 1.3	6.6 ± 1.9	0.031	3.0 ± 0.1	3.1 ± 0.8	0.902
FB	Liver	6.9 ± 3.0	5.8 ± 2.1	0.003	3.5 ± 0.7	2.4 ± 1.0	0.004
	Gall bladder	56 ± 9.0	61 ± 1.7	0.015	9.0 ± 2.9	11 ± 5.0	0.002
	Kidney	29 ± 3.9	36 ± 1.1	0.001	6.1 ± 1.8	6.9 ± 3.0	0.024
	Spleen	23 ± 1.9	26 ± 1.6	0.081	11 ± 4.9	12 ± 8.9	0.217
	Pancreas	12 ± 7.0	15 ± 7.0	0.001	6.0 ± 1.0	7.0 ± 2.0	0.011

RT, respiratory-triggered DWI; SNR, signal-to-noise ratio; FB, free-breathing DWI; BH, breath-holding DWI.