Table 2. Correlation of ADC with prognostic factors in IDC NOS.
Prognostic factors | No. of cases(n=290) | ADC value |
|
(×10−3 mm2 s−11) | p-value | ||
Oestrogen receptor | Negative (n=113) | 0.941±0.168 | |
Positive (n=177) | 0.885±0.152 | 0.003 | |
Progesterone receptor | Negative (n=135) | 0.928±0.171 | |
Positive (n=155) | 0.888±0.148 | 0.032 | |
HER2 | Negative (n=149) | 0.911±0.158 | |
Positive (n=141) | 0.903±0.164 | 0.677 | |
Ki-67 | <20% (n=112) | 0.933±0.152 | |
>20% (n=178) | 0.890±0.164 | 0.028 | |
MVD | Not increased (n=63) | 0.954±0.167 | |
Increased (n=227) | 0.894±0.156 | 0.009 | |
Size | <2 cm (n=133) | 0.918±0.162 | |
>2 cm (n=157) | 0.898±0.159 | 0.294 | |
LN metastasis | Negative (n=188) | 0.919±0.166 | |
Positive (n=102) | 0.885±0.147 | 0.090 |
ADC, apparent diffusion coefficient; HER2, human growth factor receptor 2; IDC NOS, invasive ductal carcinoma not otherwise specified; LN, lymph node; MVD, microvascular density.