Table 2:

The p-values assessing the statistical significance of the difference in the tumor volume between each contour combination.

	Tumor volume difference p-value
Tumor Contour	SUV 1.0	MRI ∪ SUV 1.0	MRI ∩ SUV 1.0	SUV 1.2	MRI ∪ SUV 1.2	MRI ∩ SUV 1.2	TBR 1.6	MRI∪ TBR1.6	MRI ∩ TBR 1.6	TBR 2.0	MRI∪ TBR 2.0	MRI ∩ TBR 2.0
MRI	0.306	0.128	0.265	0.330	0.109	0.230	0.011*	0.011*	0.856	0.011*	0.011*	0.739
SUV 1.0	-	0.708	0.143	0.899	0.761	0.134	0.052	0.050*	0.270	0.081	0.073	0.245
MRI ∪ SUV 1.0	-	-	0.052	0.597	0.918	0.048*	0.075	0.072	0.109	0.123	0.110	0.097
MRI ∩ SUV 1.0	-	-	-	0.140	0.037*	0.909	0.007**	0.006**	0.323	0.006**	0.006**	0.414
SUV 1.2	-	-	-	-	0.640	0.130	0.040*	0.038*	0.287	0.059	0.054	0.257
MRI ∪ SUV 1.2	-	-	-	-	-	0.034*	0.061	0.057	0.090	0.095	0.085	0.079
MRI ∩ SUV 1.2	-	-	-	-	-	-	0.006**	0.006**	0.280	0.006**	0.006**	0.362
TBR 1.6	-	-	-	-	-	-	-	0.971	0.010*	0.620	0.675	0.009**
MRI ∪ TBR 1.6	-	-	-	-	-	-	-	-	0.010**	0.594	0.649	0.009**
MRI ∩ TBR 1.6	-	-	-	-	-	-	-	-	-	0.010*	0.009**	0.871
TBR 2.0	-	-	-	-	-	-	-	-	-	-	0.933	0.009**
MRI ∪ TBR 2.0	-	-	-	-	-	-	-	-	-	-	-	0.009**

Overall, 52 of the tumor volume comparisons were not statistically significant, 12 were moderately significant with 0.01 ≤ p < 0.05 (indicated by ‘*’ ), and 14 were strongly significant with p < 0.01 (indicated by ‘**’ ).