Table 1 Comparison of DC-MRF and ICP-MS Concentration Measurements.

From: Dynamic, Simultaneous Concentration Mapping of Multiple MRI Contrast Agents with Dual Contrast - Magnetic Resonance Fingerprinting

Gd Measurement

All Studies (n = 40)

Single Agent Only (n = 14)

Dual Agent Only (n = 8)

Intra-Class Correlation

ICC

0.94

0.92

0.40

Pearson Correlation (DC-MRF vs ICP-MS)

R2

0.89

0.79

0.76

p-value

<1e-6

0.00002

0.005

Bland-Altman Analysis (DC-MRF vs ICP-MS)

R2

0.13

0.05

0.60

p-value

0.02

0.45

0.02

Dy Measurement

All Studies (n = 40)

Single Agent Only (n = 17)

Dual Agent Only (n = 8)

Intra-Class Correlation

ICC

0.90

0.78

0.88

Pearson Correlation (DC-MRF vs ICP-MS)

R2

0.83

0.64

0.73

p-value

<1e-6

0.0001

0.007

Bland-Altman Analysis (DC-MRF vs ICP-MS)

R2

0.009

0.15

0.0002

p-value

0.56

0.13

0.97

  1. Summary of statistical comparison between DC-MRF and ICP-MS concentration. Dy and Gd analyses are presented separately. R2 values represent Pearson Correlations.