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Table 2 Comparison of DCE-MRI quantitative parameters before and after neoadjuvant chemotherapy

From: Potential of combination of DCE-MRI and DWI with serum CA125 and CA199 in evaluating effectiveness of neoadjuvant chemotherapy in breast cancer

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