Table 3.

% change of the mean between baseline, visits two and post-RT for responders and non-responders

MRI parameter	Responders		Non-responders
	Visit 1/2 % change	Visit 1/post-RT visit % change	Visit 1/2 % change	Visit 1/post-RT visit % change
ADC (x10-5 mm2/s)	9.8	4.1	8.4	−14.8
T2a (ms)	−10.8	−64.5a	−0.8	−47.4
(Gd) (a10–3 mmol ml−1)	−7.9	−64.2a, b	67.7	13.2b
IAUGC60 (mmol*s)	−6.9	−50.8a, b	69.8	77.2b
Ktrans (min-1)	−18.5	−48.3a, b	47.6	61.8b
Volume (cc)	−20.2b	−56.2	0.6b	−37.3

ADC, apparent diffusion coefficient.

^aDenotes significant differences between parameters at baseline and the post-RT visit.

^bDenotes significant differences in parameters changes between responders and non-responders.