Table 2.

Summary of percentage changes of CT perfusion biomarkers changes from T0 to T2 and from T0 to T1 for the entire cohort of ACRIN 6695 evaluable patients.

	ΔBF (%)	ΔBV (%)	ΔPS (%)
T0-T2 *
Mean	−22.2	−29.9	−9.5
SD	39.3	38.2	52.5
Median	−25.1	−33.6	−21.5
Minimum	−72.8	−84.1	−87.0
Maximum	172.0	159.2	175.5
p-value§	<0.0001	<0.0001	0.0035
T0-T1 #
Mean	−2.2	−9.5	−3.7
SD	41.1	30.1	39.5
Median	−9.0	−12.3	−6.6
Minimum	−66.4	−63.1	−74.3
Maximum	183.7	59.3	164.4
p-value§	0.092	0.0069	0.14

^*ΔBF(%), ΔBV(%) or ΔPS(%) = T2 value minus T0 value expressed as percentage of T0 value

^#ΔBF(%), ΔBV(%) or ΔPS(%) = T1 value minus T0 value expressed as percentage of T0 value

^§Wilcoxon Signed Rank Test