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Table 4 The performance of histogram parameters for differentiating different T and N stages of gastric cancers

From: Whole-lesion apparent diffusion coefficient histogram analysis: significance in T and N staging of gastric cancers

Parameters T1 vs T2 + 3 + 4 T1 + 2 vs T3 + 4 T1 + 2 + 3 vs T4 N0 vs N1 + 2 + 3 N0 + 1 vs N2 + 3 N0 + 1 + 2 vs N3
AUC 95% CI AUC 95% CI AUC 95% CI AUC 95% CI AUC 95% CI AUC 95% CI
ADCmean 0.740 0.608–0.872 0.755 0.642–0.869 0.721 0.610–0.833 0.752 0.626–0.877 0.656 0.522–0.790 0.679 0.551–0.807
ADCmin 0.725 0.564–0.887 0.674 0.535–0.814 0.568 0.430–0.706 0.716 0.591–0.842 0.660 0.533–0.787 0.725 0.602–0.848
ADCmax 0.578 0.374–0.783 0.609 0.466–0.752 0.576 0.415–0.737 0.349 0.512–0.790 0.614 0.478–0.749 0.569 0.435–0.704
ADC5% 0.769 0.622–0.916 0.715 0.582–0.848 0.661 0.538–0.784 0.773 0.649–0.897 0.673 0.539–0.808 0.657 0.527–0.786
ADC10% 0.771 0.636–0.906 0.757 0.639–0.876 0.694 0.577–0.811 0.781 0.660–0.902 0.662 0.526–0.798 0.652 0.524–0.781
ADC25% 0.765 0.637–0.892 0.776 0.665–0.887 0.731 0.620–0.841 0.773 0.648–0.897 0.656 0.520–0.793 0.671 0.544–0.797
ADC50% 0.747 0.625–0.869 0.771 0.662–0.881 0.746 0.639–0.854 0.755 0.633–0.877 0.654 0.520–0.788 0.684 0.556–0.812
ADC75% 0.719 0.586–0.853 0.747 0.634–0.860 0.718 0.604–0.831 0.725 0.598–0.852 0.638 0.505–0.771 0.678 0.550–0.806
ADC90% 0.724 0.585–0.863 0.724 0.609–0.840 0.670 0.548–0.793 0.715 0.586–0.844 0.616 0.482–0.749 0.652 0.522–0.783
  1. ADC apparent diffusion coefficient, AUC area under the receiver operating characteristic curve, CI confidence interval
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