Table 2:

Mean and SD of the extracted MR imaging parameters between lesion components

	NAWM	Enhancing		Nonenhancing
	NAWM	Tumor	Nontumor	Tumor	Nontumor
nT1WI+Gd	0.010 ± 0.000	0.019 ± 0.005^{^a}	0.013 ± 0.001^{^a}	0.009 ± 0.001^{^b}	0.007 ± 0.001^{^b}
nFLAIR	0.010 ± 0.000	0.017 ± 0.005	0.015 ± 0.004	0.014 ± 0.002^{^b}	0.018 ± 0.003^{^b}
v_p	0.010 ± 0.001	0.054 ± 0.030^{^a}	0.007 ± 0.003^{^a}	0.021 ± 0.005^{^b}	0.004 ± 0.001^{^b}
K^trans	0.001 ± 0.001	0.064 ± 0.037^{^a}	0.006 ± 0.004^{^a}	0.009 ± 0.005^{^b}	0.000 ± 0.000^{^b}
k_ep	–	0.016 ± 0.011^{^a}	0.002 ± 0.003^{^a}	–	–
v_e	–	0.012 ± 0.009^{^a}	0.001 ± 0.001^{^a}	–	–
BAT	1.00 ± 0.20	1.30 ± 0.20	1.20 ± 0.30	1.20 ± 0.20^{^b}	0.90 ± 0.40^{^b}
NAA+NAAG/Cr+PCh	1.52 ± 0.25	1.32 ± 0.70	–	1.35	1.04 ± 0.22
GPC+PCh/Cr+PCh	0.30 ± 0.06	0.70 ± 0.25	–	0.46	0.30 ± 0.05

Note:—NAAG indicates N-acetyl aspartylglutamate; GPC, glycerolphosphocholine; PCho, phosphocholine.
↵a Significant difference (P < .05) between the 2 enhancing components.
↵b Significant difference (P < .05) between the 2 nonenhancing components.