Table 2.
Comparison of DCE-MRI quantitative parameters before and after neoadjuvant chemotherapy
| Indexes | Group | Number of cases | Before chemotherapy | After chemotherapy | t | P |
|---|---|---|---|---|---|---|
| Kep (/min) | Remission group | 39 | 1.79±0.5 | 0.79±0.27 | 9.32 | <0.01 |
| Ineffective group | 26 | 1.67±0.53 | 1.51±0.53 | 1.19 | >0.05 | |
| t | 0.93 | 7.21 | ||||
| P | >0.05 | <0.01 | ||||
| Ktrans (/min) | Remission group | 39 | 1.39±0.51 | 0.67±0.29 | ||
| Ineffective group | 26 | 1.27±0.51 | 1.13±0.33 | 6.52 | <0.01 | |
| t | 0.93 | 5.93 | 1.24 | >0.05 | ||
| P | 0.36 | 0.00 | ||||
| Remission group Ve | 39 | 0.75±0.31 | 0.77±0.19 | 0.29 | <0.01 | |
| Ineffective group Ve | 26 | 0.83±0.33 | 0.85±0.13 | 0.29 | >0.05 | |
| t | 0.99 | 1.87 | ||||
| P | >0.05 | >0.05 |