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Table 3 Mean perfusion values based on microspheres and CMR for both field strengths

From: Quantitative assessment of magnetic resonance derived myocardial perfusion measurements using advanced techniques: microsphere validation in an explanted pig heart system

Field strength Modality Mean [mL/min/g] Mean difference and CI (95%) of the difference p-value
1.5 Tesla Microspheres 1.17 ± 1.05   
Fermi 1.15 ± 0.96 0.01 ± 0.4 ( 0.1-0.07) 0.74
ARMA 0.99 ± 0.62 0.18 ± 0.59 ( 0.3-( 0.06)) 0.04
Exponential 1.22 ± 0.83 0.06 ± 0.43 ( 0.03-0.14) 0.22
B-spline 1.39 ± 1.17 0.23 ± 0.81 (0.06-0.39) 0.009
3 Tesla Microspheres 0.9 ± 0.72   
Fermi 0.97 ± 0.66 0.07 ± 0.31 (0.002-0.14) 0.43
ARMA 0.85 ± 0.88 0.05 ± 0.74 ( 0.21-0.1) 0.5
Exponential 1.21 ± 0.74 0.3 ± 0.74 (0.14-0.46) <0.001
B-spline 1.34 ± 0.86 0.43 ± 0.68 (0.29-0.58) <0.001
  1. Data is presented as mean ± standard deviation (SD) along with p-values indicating statistical significance based on the paired t-test. (CI)- Confidence Intervals; (CMR)-cardiovascular magnetic resonance.