Egyptian Journal of Radiology and Nuclear Medicine

Table 3 Correlations between variables in the whole population and grade subgroups

From: Perfusion and permeability MRI in glioma grading

		rCBV		rCBF		Ktrans
		r	p	r	p	r	p
Whole population	CBV	–	–	0.944	< 0.001*	0.849	< 0.001*
	CBF	0.944	< 0.001*	–	–	0.870	< 0.001*
	Ktrans	0.849	< 0.001*	0.870	< 0.001*	–	–
	Ve	0.930	< 0.001*	0.937	< 0.001*	0.867	< 0.001*
1–2	CBV	–	–	0.786	< 0.001*	0.401	0.123
	CBF	0.786	< 0.001*	–	–	0.397	0.128
	Ktrans	0.401	0.123	0.397	0.128	–	–
	Ve	0.665	0.005*	0.671	0.004*	0.397	0.128
3	CBV	–	–	0.792	0.001*	0.357	0.210
	CBF	0.792	0.001*	–	–	0.597	0.024*
	Ktrans	0.357	0.210	0.597	0.024*	–	–
	Ve	0.506	0.065	0.651	0.012*	0.757	0.002*
4	CBV	–	–	0.722	0.043*	0.167	0.693
	CBF	0.722	0.043*	–	–	0.143	0.736
	Ktrans	0.167	0.693	0.143	0.736	–	–
	Ve	0.690	0.058	0.762	0.028*	0.262	0.531

*p < 0.05 statistical significance

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