TABLE 1

Average Regional Nonabsolute and Absolute RCs Between Model-Based and Deep Learning–Based µ-Maps, Compared with CT-Based µ-Maps

RegionParameterµ-mapMR5C-CNNAIRµ-mapMRDL-CNNAIRP*
PelvisRC2.95 ± 2.06−0.13 ± 0.96<0.001
Absolute RC5.10 ± 1.412.60 ± 0.63<0.001
BonesRC−3.21 ± 3.41−3.07 ± 2.790.81
Absolute RC5.31 ± 2.454.54 ± 1.910.08
Fat-based soft tissueRC6.20 ± 2.461.28 ± 0.79<0.001
Absolute RC6.76 ± 2.172.57 ± 0.69<0.001
Water-based soft tissueRC1.20 ± 2.44−0.77 ± 0.96<0.001
Absolute RC3.20 ± 1.502.02 ± 0.60<0.001

  • *Paired t test.

  • Data are percentages.