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Table 2

From: Velocity unwrap for high resolution slice-selective Fourier Velocity Encoding using spiral SENSE

 

Echo

lr-PCMR

hr-PCMR

FVE21

FVE41

In-vitro

Peak velocity (cm/s)

441±144

375±133^

398±136^

447±140

443±144

Bias* (cm/s)

-

-66

-42

+7

+3

Limits of agreement* (cm/s)

-

-26 to -105

-10 to -75

+28 to -14

+17 to -12

Correlation coefficient* (r)

-

0.9926

0.9949

0.9977

0.9987

Estimated SNR

-

-

-

5.2±2.6

4.4±3.9

In-vivo

Peak Velocity (cm/s)

255±71

228±42

234±644

266±67

257±62

Bias* (cm/s)

-

-27

-21

+10

+1

Limits of agreement* (cm/s)

-

+67 to -121

+63 to -106

+74 to -53

+47 to -46

Correlation coefficient* (r)

-

0.7717

0.8269

0.8957

0.9463

  1. * Calculated with echo ^Value is significantly different (ANOVA) from echo (P<0.05)