Table 2.

Summary of relevant parameters for the calibration tumors investigated in this study. The enhancement is denoted by strong (S) or medium (M).

Tumor	Matrix Size	Enh.	Volume / mm3	Slope	Intercept	Mean r1 ± STD (mM−1 s−1)
1	128 ×128	S	50.4	0.0059	−0.0145	1.96 ± 4.93
2	128 ×128	S	124	0.0264	−0.0654	3.04 ± 0.11
3	256 ×256	S	73.5	0.0037	0.0111	3.02 ± 0.080
4	256 ×256	M	100	0.0104	0.0018	3.04 ± 18.9
5	256 ×256	M	187	0.0255	0.0127	12.3 ± 68.3
6	256 ×256	M	65.1	0.0066	0.1409	3.22 ± 1.49
7	128 ×128	S	209	0.0386	−0.0626	3.06 ± 0.12
8	128 ×128	M	70.8	0.0105	−0.0329	3.06 ± 0.12
9	128 ×128	S	68.3	0.0099	0.0037	0.098 ± 20.1
10	128 ×128	M	41.0	0.0077	0.0039	3.4 ± 1.67
Mean				0.0101	0.0027

The correlation coefficient between tumor volume and slope is 0.91 with a p-value of 2.2×10⁻⁴.