. Author manuscript; available in PMC: 2008 Nov 7.

Published in final edited form as: J Cardiovasc Magn Reson. 2006;8(2):345–352. doi: 10.1080/10976640500451986

Table 1.

SNR, CNR and Relative SNR of the infarcted and normal myocardium as well as the LV blood pool for the two pulse sequences

	Image sequence
Imaging parameter	T1-CF	IR
Signal-to-noise ratio
Infarcted myocardium	17.2 ± 6.5	29.2 ± 6.4^*
Normal myocardium	8.1 ± 3.5	4.6 ± 2.9^*
Blood pool	29.0 ± 7.8	10.7 ± 3.6^†
Contrast-to-noise ratio
Infarcted compared with normal myocardium	9.1 ± 4.5	24.6 ± 6.2^†
Infarcted compared with blood pool	11.8 ± 6.1	18.5 ± 4.9^*
Blood pool compared with normal myocardium	20.9 ± 7.4	6.1 ± 2.9^†
Relative SNR (%)
Infarcted compared with normal myocardium	123.6 ± 52.7	666.1 ± 320^†
Blood pool compared with normal myocardium	305.2 ± 155.9	167.0 ±116

p< .05 vs. 60° T1-CF,

^†

p< .001 vs. 60° T1-CF.