Role of Dynamic Susceptibility Contrast Perfusion MRI in Glioma Progression Evaluation

Table 2

Comparison of DSC and MRS variables.

	Pseudoprogression	True progression	value
rCBV			<0.001
Median/mean	0.541 ± 0.154	1.094
95%CI (range)	0.360–0.892	1.135–1.636
Cho/Cr ratio			0.001
Median/mean	1.719 ± 0.664	2.520
95%CI (range)	0.680–3.160	2.331–2.773
Cho/NAA ratio	1.499 ± 0.495	2.414 ± 0.665	<0.001

rCBV, relative cerebral blood volume; Cho, choline; NAA, N-acetylaspartate; Cr, creatin; CI, confidence interval, Bold value indicates statistically significant association.