Table 3.

Median (inter-quartile range) relative error of 3 tumor volume calculations, 2 tumor activity concentration calculations, and 2 $RC$ calculations across all tumor depths for all acquisitions and within each tumor eccentricity sub-group.

	All	None	Low	High
N (%)	4,024 (100%)	505 (13%)	1,500 (37%)	2,019 (50%)
${\mathit{v}}_{\mathit{t}}^{\mathit{n}\mathit{e}\mathit{a}\mathit{r}}$	−2% (−33%, 36%)	4% (−6%, 9%)	−2% (−22%, 27%)	−11% (−45%, 78%)
${\mathit{v}}_{\mathit{t}}^{\mathit{f}\mathit{a}\mathit{r}}$	−6% (−33%, 28%)	1% (−9%, 8%)	−7% (−25%, 18%)	−14% (−41%, 58%)
${\mathit{v}}_{\mathit{t}}^{\mathit{r}\mathit{o}\mathit{i}}$	50% (20%, 120%)	45% (43%, 50%)	51% (26%, 87%)	66% (3%, 152%)
${\mathit{C}}_{\mathit{t}}^{\mathit{e}\mathit{s}\mathit{t}}$	−3% (−26%, 50%)	−3% (−8%, 6%)	3% (−20%, 29%)	15% (−43%, 79%)
${\mathit{C}}_{\mathit{t}}^{\mathit{v}\mathit{o}\mathit{l}}$	0% (−2%, 2%)	0% (−2%, 2%)	−0% (−1%, 2%)	0% (−2%, 2%)
$R{C}^{est}$	1% (−27%, 47%)	−4% (−9%, 6%)	1% (−22%, 27%)	12% (−44%, 77%)
$R{C}^{vol}$	−2% (−3%, 1%)	−1% (−3%, 1%)	−2% (−3%, 1%)	−2% (−4%, 1%)