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Table 5 Direction of Change with Phantom Correction

From: Baseline correction of phase-contrast images in congenital cardiovascular magnetic resonance

Measured

Variables

Increase with Phantom Correction (N)

Decrease with Phantom Correction (N)

P value

MPA

52

66

0.20

AAO

109

35

< 0.001

RPA

32

38

0.47

LPA

20

41

< 0.001

Calculated

Variables

   

Q P /Q S

35

78

< 0.001

PR

28

25

0.68

AR

6

18

0.01

Q P R

33

24

0.23

  1. AAO-Ascending Aorta, AR-Aortic Regurgitation, LPA-Left Pulmonary Artery, MPA-Main Pulmonary Artery, PR-Pulmonary Regurgitation, QP-Pulmonary blood flow, QS-Systemic blood flow, QPR-Right pulmonary blood flow as a percent of total pulmonary blood flow, RPA-Right Pulmonary Artery