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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: JACC Cardiovasc Imaging. 2011 Dec;4(12):1284–1293. doi: 10.1016/j.jcmg.2011.09.013

Table 3.

Correlation and Bland-Altman Analysis of MDCT and MRI

Parameters Correlation Coefficient (r) Linear Regression Equation Signifficance Level (p) mean Difference (bias) Standard Deviation (SD) 95% Confidence interval for mean
Infarct size (% L Vmass) Total 0.70 y = 0.9 x + 9.4 <0.0001 −7.5 4.27 0.8 to −15.9
week 12 0.37 y = 0.5 x + 14.1 0.16 −7.5 5.23 3.0 to −18.0
week 24 0.89 y = 1.0 x + 7.5 <0.0001 −7.5 3.06 −1.7 to −13.3
placebo 0.44 y = 0.5 x + 15.4 0.09 −7.4 4.22 1.7 to −16.5
MSC 0.82 y = 1.1 x + 6.1 <0.001 −7.6 4.07 0.2 to −15.4
Total infarct volume (cc) Total 0.81 y = 1.3 x + 1.9 <0.0001 −3.2 1.71 0.3 to −6.6
week 12 0.68 y = 1.2 x + 2.3 0.004 −3.0 1.77 0.3 to −6.4
week 24 0.87 y = 1.3 x + 1.9 <0.0001 −3.3 1.76 0.3 to −6.9
placebo 0.73 y = 1.1 x + 2.7 0.001 −3.3 1.94 0.4 to −7.0
MSC 0.86 y = 1.5 x + 1.2 <0.0001 −3.0 1.53 0.3 to −6.2
LV ejection fraction (%) Total 0.90 y = 1.1 x − 3.2 <0.0001 −0.9 3.81 6.6 to −8.5
week 12 0.87 y = 1.1 x − 2.4 <0.0001 −0.9 3.69 6.1 to −8.0
week 24 0.92 y = 1.1 x − 3.5 <0.0001 −0.9 4.19 7.3 to −9.1
placebo 0.88 y = 1.4 x − 12.1 <0.0001 0.3 3.43 7.6 to −7.0
MSC 0.91 y = 1.0 x − 3.6 <0.0001 −2.2 3.78 5.0 to −9.6
ED volume (ml) Total 0.82 y = 0.7 x + 19.3 <0.0001 −0.02 6.63 15.9 to −16.0
week 2 0.84 y = 0.6 x + 23.6 <0.001 −1.2 5.90 15.7 to −18.0
week 24 0.81 y = 0.8 x + 12.2 <0.001 1.1 7.44 16.3 to −14.1
placebo 0.81 y = 0.7 x + 18.5 <0.001 −3.1 6.38 11.1 to −17.3
MSC 0.81 y = 0.7 x + 15.9 <0.001 3.0 7.10 18.8 to −12.7

Total: n=32; week 12, week 24, placebo, MSC: n=16