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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Magn Reson Med. 2012 Apr 6;69(2):391–401. doi: 10.1002/mrm.24262

Table 1.

Comparison of the maximum difference between LBW-TEIN, HBW-TEIN, HBW-TE+π/2, and LBW-TE+π/2 forward flow measurements in the aAo, PA, RPA, and LPA in normal subjects.

ΔMax No Fat [mL] ΔMax Fat [mL] n/m * P-Value
aAo 1.8 ± 0.5 6.4 ± 2.8 4/6 0.01
PA 2.0 ± 0.9 11.9 ± 5.8 3/7 0.04
RPA -- 6.0 ± 2.9 0/10 --
LPA 1.3 ± 1.0 4.3 ± 1.0 4/6 0.003
All Vessels 1.7 ± 0.8 7.2 ± 4.4 10/30 0.001

Data is expressed as mean ± standard deviation in mL.

n is the number of vessels where minimal perivascular fat was observed.

m is the number of vessels where perivascular fat was observed.

*

P-values<0.05 show a significant difference in ΔMax indicating the presence of perivascular fat leads to significant flow errors in PC-MRI.