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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Invest Radiol. 2012 Oct;47(10):588–595. doi: 10.1097/RLI.0b013e318260abb3

TABLE 3.

Relative error of DCE-CT estimated PV liver tissue blood perfusion using two versions of the slope method.

Capnic Condition
Normocapnia Hypocapnia Hypercapnia
Subtraction Method 187 ± 63%* 238 ± 90%* 25 ± 46%
Direct Method 119 ± 67% 137 ± 104% −39 ± 24%

Values are shown as mean ± SEM (n = 4);

*)

Mean value significantly different from zero (P<0.05).