Table 1.

For varying extraction ratios, the values to be multiplied by hepatic blood flow to obtain clearances for arterial, parallel tube venous and well-stirred venous models

Extraction Ratio	Arterial CL $\frac{{\mathit{C}}_{\mathit{a}\mathit{r}\mathit{t}}-{\mathit{C}}_{\mathit{v}\mathit{e}\mathit{i}\mathit{n}}}{{\mathit{C}}_{\mathit{a}\mathit{r}\mathit{t}}}$	Parallel Tube Venous CL $\frac{{\mathit{C}}_{\mathit{a}\mathit{r}\mathit{t}}-{\mathit{C}}_{\mathit{v}\mathit{e}\mathit{i}\mathit{n}}}{\frac{{\mathit{C}}_{\mathit{a}\mathit{r}\mathit{t}}-{\mathit{C}}_{\mathit{v}\mathit{e}\mathit{i}\mathit{n}}}{\mathit{l}\mathit{n}\frac{{\mathit{C}}_{\mathit{a}\mathit{r}\mathit{t}}}{{\mathit{C}}_{\mathit{v}\mathit{e}\mathit{i}\mathit{n}}}}}$	Well-Stirred Venous CL $\frac{{\mathit{C}}_{\mathit{a}\mathit{r}\mathit{t}}-{\mathit{C}}_{\mathit{v}\mathit{e}\mathit{i}\mathit{n}}}{{\mathit{C}}_{\mathit{v}\mathit{e}\mathit{i}\mathit{n}}}$
0.05	0.050	0.051	0.053
0.10	0.100	0.105	0.111
0.30	0.300	0.357	0.429
0.50	0.500	0.693	1.000
0.632	0.632	1.000	1.72
0.70	0.700	1.20	2.33
0.90	0.900	2.30	9.00
0.95	0.950	3.00	19.0