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Table 4 Mean perfusion values based on microspheres and CMR for both field strengths for microsphere perfusion values ≥ 2

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

3.36 ± 1.11

  

Fermi

3.16 ± 1

0.2 ± 0.85 ( 0.74-0.33)

0.42

ARMA

2.2 ± 0.5

1.18 ± 1.02 ( 1.84-( 0.53))

0.02

Exponential

2.93 ± 0.61

0.43 ± 0.81 ( 0.94-0.08)

0.91

B-spline

3.59 ± 1.5

0.23 ± 1.84 ( 0.94-1.4)

0.67

3 Tesla

Microspheres

2.57 ± 0.46

  

Fermi

2.51 ± 0.57

0.07 ± 0.52 ( 0.5-0.37)

0.72

ARMA

3.03 ± 1

0.46 ± 0.91 ( 0.31-1.22)

0.2

Exponential

2.4 ± 0.88

0.17 ± 0.68 ( 0.74-0.4)

0.5

B-spline

3.34 ± 0.94

0.77 ± 0.78 (0.12-1.42)

0.03

  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.