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Table 4 Correlations of DECT Quantitative Parameters with the Value of Immunohistochemical Biomarkers in Invasive Breast Cancer

From: Dual-energy CT quantitative parameters for evaluating Immunohistochemical biomarkers of invasive breast cancer

Parameters r value p value
Venous phase NIC and ER value −0.265 0.002
Venous phase nZeff and ER value −0.141 0.103
Arterial phase NIC and PR value −0.175 0.042
Venous phase NIC and PR value −0.239 0.005
Venous phase nZeff and HER2 value 0.112 0.194
Arterial phase NIC and Ki67 value 0.315 < 0.001
Venous phase NIC and Ki67 value 0.490 < 0.001
Arterial phase nZeff and Ki67 value 0.225 0.014
Venous phase nZeff and Ki67 value 0.240 0.009
  1. Note. NIC normalized iodine concentration; nZeff normalized effective atomic number; ER estrogen receptor; PR progesterone receptor; HER2 human epidermal growth factor receptor 2
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