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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Osteoarthritis Cartilage. 2008 Mar 24;16(9):1047–1053. doi: 10.1016/j.joca.2008.02.002

Table 6.

Association between change in biomarker levels at 18-months and change in outcome measures 18-months. Beta coefficient (SE) and p-value

HA-Chg AgKs-Chg COMP-Chg TGF-Beta1-Chg
Outcomes
1.WEIGHT-Chg 0.05 (.04)
P=.20
0.04 (.02)
P=.03
0.68 (.29)
P=.02
−0.02 (.15)
P=.89
2.WOMCFUNC-Chg 0.004 (.003)
P=.12
−0.002 (.001)
P=.15
−0.03 (.02)
P=.13
0.01 (.01)
P=.92
3.WOMCPAIN-Chg 0.001 (.003)
P=.64
−0.003 (.001)
P=.04
−0.03 (.02)
P=.15
0.02 (.01)
P=.79
4.WOMCSTIF-Chg 0.001 (.003)
P=.69
−0.0003 (.001)
P=.85
−0.03 (.02)
P=.25
0.003 (.01)
=.79
5.DISTANCE-Chg 0.55 (1.24)
P=.66
−0.03 (.60)
P=.96
−0.076 (9.9)
=.94
−5.5 (5.1)
P=.28
6.STCLTIME-Chg −0.01 (.03)
P=.56
0.006 (.01)
P=.60
−0.23 (.20)
P=.26
−0.02 (.11)
=.85
7.JSW_LA-Chg −0.0001 (.002)
p=.98
0.0001 (.001)
P=.91
0.04 (.02)
P=.05
.003 (.01)
=.81
8.JSW_MED-Chg −0.004 (.002)
P=.08
0.001 (.001)
P=.65
−0.02 (.02)
P=.34
−0.004 (.01)
P=.68
9.SCORE-Chg 0.001 (.001)
P=.70
−0.0003 (.001)
=.60
−0.001 (.01)
P=.92
−0.01 (.01)
P=.12

HA = hyaluronan, AgKS = antigenic keratan sulfate, COMP = cartilage oligomeric protein, TGF- β1 = transforming growth factor- β1, JSW = joint space width. Values shown are Beta coefficients (SE) followed by p values.