b值范围对6种体部扩散模型在前列腺应用的影响评估

周敏雄,戚轩,杜兵,齐东,王海杰,杨光,蔡文梅,刘孟潇,张会婷,严序,聂生东,何永胜

Evaluation of the Impact of b-Value Ranges on Six Body Diffusion Models in Prostate Application

ZHOU Minxiong,QI Xuan,DU Bin,QI Dong,WANG Haijie,YANG Guang,Cai Wenmei,LIU Mengxiao,ZHANG Huiting,YAN Xu,NIE Shengdong,HE Yongsheng

表2 各b值方案间扩散参数差异的t检验p值

Table 2 p value of t-test for diffusion parameters between different b-value ranges

扩散参数 前列腺增生 前列腺癌 b0~1000 b0~1500 b0~2000 b0~1000 b0~1500 b0~2000 Mono_D <0.001 0.002 0.143 <0.001 0.013 0.226 DKI_D 0.003 0.107 0.463 0.006 0.126 0.471 DKI_K <0.001 0.010 0.250 <0.001 0.047 0.400 IVIM_D <0.001 <0.001 0.031 <0.001 0.006 0.157 IVIM_D* 0.122 0.036 0.317 0.482 0.246 0.493 IVIM_f <0.001 <0.001 0.013 <0.001 0.001 0.078 SEM_α 0.170 0.090 0.300 0.680 0.846 0.792 SEM_DDC 0.939 0.850 0.897 0.813 0.970 0.955 FROC_β 0.170 0.173 0.445 0.707 0.859 0.804 FROC_μ 0.065 0.73 0.081 0.084 0.847 0.356 FROC_D 0.003 0.110 0.764 0.026 0.230 0.813 CTRW_α 0.001 0.027 0.361 0.467 0.976 0.936 CTRW_β 0.085 0.341 0.700 0.395 0.664 0.891 CTRW_D 0.993 0.993 0.993 0.951 0.951 0.951