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. Author manuscript; available in PMC: 2012 Jul 25.
Published in final edited form as: J Immunol Methods. 2012 Feb 17;378(1-2):72–80. doi: 10.1016/j.jim.2012.02.007

Table 3.

Correlation and % change of marker measurements on paired serum/plasma samples.

Slopea rb Median % changec
Autoantibody biomarkers
cApoE 0.91 0.98 −8
cBig 1.02 0.98 −4
cH2B 1.00 0.99 6
cClu 0.89 1.00 −3
cFibA1 1.07 0.98 −3
cFil 0.97 0.99 2
H2B 1.05 0.99 −5
cFibA2 0.91 0.99 −5
Protein biomarkers
VCAM-1 0.75 0.97 −19
EGF 0.21 0.33 −51
VEGF-A 0.34 0.87 −55
IL-6 0.93 1.00 −6
TNF-R1 1.03 0.99 −7
MMP-1 1.28 0.74 23
MMP-3 0.90 1.00 −9
YKL-40 1.13 0.99 −7
Leptin 1.21 0.99 6
Resistin 0.84 0.91 −18
SAA 1.02 1.00 −12
CRP 0.88 1.00 −12
MBDA 0.78 0.93 3
a

Slope of the linear regression line.

b

Correlation coefficient.

c

Median % change=(plasma − serum)/serum.