Table 2:

Comparison of the accuracy and precision index, coefficient of variation, and concordance correlation coefficient for all dosing schemes using intermediate and low flip angle protocols at 1.5T and 3T

Dosing Scheme (Preload + Bolus)Intermediate Flip AngleaLow Flip Angleb
1.5T3T1.5T3T
CCCCV%APICCCCV%APICCCCV%APICCCCV%API
(0 + 1)0.3021.70.080.5512.40.430.938.70.840.928.20.83
(1/4 + 3/4)0.5113.30.380.748.80.650.948.90.850.947.80.86
(1/2 + 1/2)0.6112.70.480.769.20.670.9110.60.800.908.70.82
(1/4 + 1)0.867.90.780.936.80.860.967.70.890.977.00.90
(1/2 + 1)0.907.70.820.966.80.890.967.50.890.976.80.91
(1 + 1)0.947.40.860.976.60.910.967.40.890.986.80.91
  • a FA = 60°, TE = 30 ms, TR = 1.5 sec.

  • b FA = 30°, TE = 50 ms, TR = 1.5 sec, B0 = 1.5T; FA = 30°, TE = 30 ms, TR = 1.5 sec, B0 = 3T.