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Table 1 Spearman’s rank correlation test

From: Radiotherapy dose distribution prediction for breast cancer using deformable image registration

 PTVIpsilateral lungHeartLungSpinal cord
Image similarity metric
 \(\rho\)0.378*0.307*0.191*0.431*0.395*
 p0.0000.0000.0000.0000.000
PTV DSC
 \(\rho\)0.365*0.333*0.275*0.408*0.392*
 p0.0000.0000.0000.0000.000
Ipsilateral lung OVH MSD
 \(\rho\)0.197*0.236*0.155*0.215*0.005
 p0.0000.0000.0000.0000.914
Heart OVH MSD
 \(\rho\)0.142*0.160*0.102*0.172*0.234*
 p0.0050.0010.0410.0010.000
PTV length difference
 \(\rho\)0.293*0.338*0.355*0.249*0.209*
 p0.0000.0000.0000.0000.000
\({\text{P}}_{\text{ovz}}\)
 \(\rho\)0.191*0.428*0.395*0.369*0.356*
 p0.0000.0000.0000.0000.000
\(J_{{1\_{\text{diff}}}}\)
 \(\rho\)0.135*0.280*0.131*0.343*0.269*
 p0.0070.0000.0090.0000.000
\(J_{{ 2 {\text{\_diff}}}}\)
 \(\rho\)0.111*0.222*0.0950.316*0.239*
 p0.0260.0000.0570.0000.000
\(J_{{ 3 {\text{\_diff}}}}\)
 \(\rho\)0.0880.0650.0220.180*0.289*
 p0.0800.1960.6580.0000.000
\(B_{{ 3 {\text{\_diff}}}}\)
 \(\rho\)0.137*0.0870.0540.240*0.314*
 p0.0060.0810.2820.0000.000
\(B_{{ 4 {\text{\_diff}}}}\)
 \(\rho\)0.192*0.221*0.165*0.351*0.350*
 p0.0000.0000.0010.0000.000
 0.8 DSC1.0 DSC33 \(\gamma\)55 \(\gamma\)
Image similarity metric
 \(\rho\)− 0.468*− 0.484*− 0.282*− 0.392*
 p0.0000.0000.0000.000
PTV DSC
 \(\rho\)− 0.663*− 0.655*− 0.271*− 0.321*
 p0.0000.0000.0000.000
Ipsilateral lung OVH MSD
 \(\rho\)− 0.235*− 0.281*− 0.249*− 0.242*
 p0.0000.0000.0000.000
Heart OVH MSD
 \(\rho\)− 0.195*− 0168*− 0.065− 0.087
 p0.0000.0010.1950.084
PTV length difference
 \(\rho\)− 0.405*− 0.327*− 0.343*− 0.319*
 p0.0000.0000.0000.000
\({\text{P}}_{\text{ovz}}\)
 \(\rho\)− 0.455*− 0.368*− 0.282*− 0.271*
 p0.0000.0000.0000.000
\(J_{{ 1 {\text{\_diff}}}}\)
 \(\rho\)− 0.231*− 0.245*− 0.174*− 0.203*
 p0.0000.0000.0000.000
\(J_{{ 2 {\text{\_diff}}}}\)
 \(\rho\)− 0.214*− 0.231*− 0.152*− 0.182*
 p0.0000.0000.0020.000
\(J_{{ 3 {\text{\_diff}}}}\)
 \(\rho\)− 0.193*− 0.202*− 0.051− 0.089
 p0.0000.0000.3140.075
\(B_{{ 3 {\text{\_diff}}}}\)
 \(\rho\)− 0.223*− 0.201*− 0.066− 0.132*
 p0.0000.0000.1860.008
\(B_{{ 4 {\text{\_diff}}}}\)
 \(\rho\)− 0.348*− 0.310*− 0.200*− 0.243*
 p0.0000.0000.0000.000
  1. * Represents significant correlation