TABLE 2

Parameter Estimates of Reversible 1-Tissue-Compartment Model for Asymptomatic Patients

Region	IF	K₁ (mL_plasma· min⁻¹· mL_{extravascular tissue}⁻¹)	k₂ (min⁻¹)	Blood volume	V_T (mL_plasma· mL_{extravascular tissue}⁻¹)	Residual sum of square errors
Bone marrow	Total-plasma BSIF	0.111 ± 0.049	0.043 ± 0.013	0.196 ± 0.129	2.479 ± 0.513	3.569 ± 3.982
	Parent-plasma BSIF	0.151 ± 0.072	0.024 ± 0.010	0.171 ± 0.123	6.036 ± 0.749	3.911 ± 3.937
	Total-plasma IDIF	0.088 ± 0.034	0.039 ± 0.008	0.036 ± 0.055	2.510 ± 0.545	3.000 ± 2.925
	Parent-plasma IDIF	0.108 ± 0.045	0.017 ± 0.006	0.027 ± 0.058	6.017 ± 0.929	4.002 ± 2.583
Lung parenchyma	Total-plasma BSIF	−5.153 ± 10.313^*	2.541 ± 4.829	1.292 ± 1.574^*	−0.496 ± 1.075^*	6.734 ± 5.159
	Parent-plasma BSIF	−0.173 ± 0.356^*	0.379 ± 0.595	0.675 ± 0.342	−0.074 ± 0.329^*	7.322 ± 5.364
	Total-plasma IDIF	0.036 ± 0.008	0.205 ± 0.066	0.280 ± 0.112	0.187 ± 0.042	3.225 ± 3.375
	Parent-plasma IDIF	0.034 ± 0.005	0.120 ± 0.046	0.287 ± 0.114	0.313 ± 0.121	3.607 ± 3.747
Mean of aortic walls (descending, arch, ascending)	Total-plasma BSIF	−3.805 ± 5.076^*	2.222 ± 2.130	1.839 ± 1.465^*	−0.710 ± 1.123^*	22.412 ± 22.544
	Parent-plasma BSIF	−0.445 ± 0.579^*	0.577 ± 0.513	1.016 ± 0.522^*	−0.133 ± 0.958^*	30.433 ± 21.391
	Total-plasma IDIF	0.014 ± 0.008	0.050 ± 0.023	0.449 ± 0.121	0.275 ± 0.119	6.863 ± 5.327
	Parent-plasma IDIF	0.016 ± 0.009	0.030 ± 0.012	0.449 ± 0.120	0.580 ± 0.248	6.829 ± 5.269

↵* Blood volume (bv) > 1, K negative, V_T negative.
Data are mean ± SD (n = 4). For all regions considered, kinetic parameters were computed for 4 BSIFs and IDIFs.