Dynamic Contrast-Enhanced Magnetic Resonance Imaging of Regional Nodal Metastasis in Nasopharyngeal Carcinoma: Correlation with Nodal Staging

Table 2

The perfusion parameters of metastatic nodes among N stages ().

N stage	(min^−1)	(min^−1)
N1 ()	0.24 (0.17~0.26)	0.44 (0.33~0.66)	0.32 (0.29~0.70)
N2 ()	0.29 (0.17~0.46)	0.38 (0.13~0. 67)	0.39 (0.32~0.60)
N3 ()	0.46 (0.29~0.70)	0.36 (0.10~0.63)	0.40 (0.24~0.62)