Subtractionless compressed-sensing-accelerated whole-body MR angiography using two-point Dixon fat suppression with single-pass half-reduced contrast dose: feasibility study and initial experience

Table 4 Apparent SNRs and CNRs for 4 anatomical regions in CS-WBMRA and conventional-WBMRA

Vessel segment	SNRcs	SNRc	P value	CNRcs	CNRc	P value
Common carotid arteries	111.52 ± 48.63	103.46 ± 96.83	0.192	106.4 ± 47.92	118.54 ± 68.57	0.358
Abdominal aorta	60.22 ± 27.73	147.56 ± 105.54	0.001	54.45 ± 19.22	125.54 ± 88.54	0.001
Common femoral arteries	252.65 ± 82.74	218.64 ± 157.64	0.234	255.6 ± 80.82	228.56 ± 96.54	0.170
Popliteal arteries	215.17 ± 76.4	220.54 ± 154.56	0.845	213.09 ± 68.67	248.54 ± 153.64	0.192
Overall comparison	164.90 ± 118.05	214.98 ± 136.05	< 0.001	161.24 ± 118.64	107.13 ± 72.323	0.073

SNRcs apparent signal to noise ratio of compressed sensing whole body MR angiography, SNRc apparent signal to noise ratio of conventional whole body MR angiography, CNRcs apparent contrast to noise ratio of compressed sensing whole body MR angiography, CNRc apparent contrast to noise ratio of conventional whole body MR angiography, WBMRA whole body MR angiography

ISSN: 1532-429X