. Author manuscript; available in PMC: 2013 Jan 1.

Published in final edited form as: J Comput Assist Tomogr. 2012 Jan-Feb;36(1):77–82. doi: 10.1097/RCT.0b013e3182388cdf

Table 1.

Quantitative analysis of SWI lumen-wall contrasts. (n=220)

	Pre-contrast	1st Contrast-enhanced	2nd Contrast-enhanced
Phase Difference (Δϕ)	25.7°±6.3°	39.7°±7.6° (p<0.001)	25.3°±4.4° (p=0.281)
Phase CNR (CNR_phase)	18.9±6.2	35.1±8.3 (p<0.001)	24.0±6.3 (p<0.001)

Note: Data are presented as mean ± standard deviation.