Table 1 : Linear and exponential models of density decay along the length of the cartridge
(after correcting for the pre-contrast density), used to estimate single-pass filtration.


    Linear Decay Model Expon. Decay Model

  Flow Rate
(mL/min)
Intercept Slope % 1-Pass Filtration R2 Intercept Decay Constant % 1-Pass Filtration R2

Exp.
#1
1 976a -7.45 36.6 0.25 1013 -0.01 38.1 0.30
20 1136 -7.65 32.3 0.35 1106 -0.009 35.1 0.40

Exp.
#2
1 716 -4.31 28.9 0.12 703 -0.008 31.9 0.14
20 747 -4.91 31.6 0.18 754 -0.009 35.1 0.21

Exp.
#3
1 1491 -1.63 5.2 0.11 1487 -0.002 9.2 0.11
20 1498 -1.74 5.6 0.16 1497 -0.002 9.2 0.16

Exp.
#4
1 893 -3.43 18.4 0.09 889 -0.004 17.5 0.10
20 928 -4.21 21.8 0.18 928 -0.005 21.3 0.20

aValues are baseline-corrected using the pre-contrast density.

Olorunsola et al.Medical Instrumentation  2014 2:2DOI : 10.7243/2052-6962-2-2