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. Author manuscript; available in PMC: 2013 Apr 13.

Published in final edited form as: J Orthop Res. 2010 Sep;28(9):1149–1154. doi: 10.1002/jor.21125

Table 3. Bivariate analyses of Fat Pad volume.

A significant correlation was observed between age and fat pad volume in the OA and combined overall groups.

		Fat Pad Volume
Group		Baseline	3 months	6 months	12 months
Control	Age	R²=0.093 (p=0.268)	R²=0.08 (p=0.313)	R²=0.02 (p=0.642)	R²=0.08 (p=0.230)
	BMI	R²=0.04 (p=0.465)	R²=0.017 (p=0.644)	R²=0.030 (p=0.534)	R²=0.040 (p=0.473)
	Pain^*	R²=0.002 (p=0.885)	R²=0.003 (p=0.855)	R²=0.0005 (p=0.939)	R²=0.004 (p=0.830)
OA	Age	R²=0.30 (p=0.036)	R²=0.36 (p=0.019)	R²=0.36 (p=0.018)	R²=0.47 (p=0.0005)
	BMI	R²=0.0006 (p=0.93)	R²=0.019 (p=0.626)	R²=0.0006 (p=0.933)	R²=0.031 (p=0.536)
	Pain^*	R²=0.001 (p=0.904)	R²=0.008 (p=0.747)	R²=0.0005 (p=0.936)	R²=0.005 (p=0.799)
Overall	Age	R²=0.172 (p=0.02)	R²=0.187 (p=0.017)	R²=0.132 (p=0.048)	R²=0.235 (p=0.007)
	BMI	R²=0.006 (p=0.675)	R²=0.0008 (p=0.883)	R²=0.00 (p=0.99)	R²=0.00 (p=0.974)
	Pain^*	R²=0.008 (p=0.649)	R²=0.015 (p=0.515)	R²=0.0005 (p=0.906)	R²=0.002 (p=0.813)

^*

Total WOMAC Score