Assessment of Early Response to Lung Cancer Chemotherapy by Semiquantitative Analysis of Dynamic Contrast-Enhanced MRI

Table 2

Results and comparisons of DCE MR-derived semiquantitative parameters both in responders and nonresponders.

Group	Number	Parameters	Pretreatment	Posttreatment	value	value
Responders	13	PEI			-2.970	0.003
		SER			-1.293	0.023
		MSI			-1.992	0.046
		TTP			-0.350	0.726
Nonresponders	9	PEI			-1.125	0.260
		SER			-0.770	0.441
		MSI			-0.652	0.515
		TTP			-0.770	0.441

Values listed are the . , 2 related sample Mann–Whitney tests.