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Table 6 Medial–lateral (M/L) center of pressure (COP) position

From: Immediate and long-term efficacy of laterally-wedged insoles on persons with bilateral medial knee osteoarthritis during walking

	Conditions	Evaluation time				p value
		Baseline		Follow-up		Barefoot vs. LW at Baseline	Barefoot vs. LW at Follow-up	Baseline vs. Follow-up
		Mean	SD	Mean	SD	Barefoot vs. LW at Baseline	Barefoot vs. LW at Follow-up	Baseline vs. Follow-up
First peak KAM
M(+)/L(−) COP position (%LL)	Barefoot	−1.86	0.31	−1.84	0.52	0.00*	0.02^†	0.91
M(+)/L(−) COP position (%LL)	LW	−2.93	0.44	−2.71	0.44	0.00*	0.02^†	0.46
Second peak KAM
M(+)/L(−) COP position (%LL)	Barefoot	−1.45	0.53	−1.47	0.71	0.00*	0.18	0.66
M(+)/L(−) COP position (%LL)	LW	−2.36	0.40	−2.10	0.80	0.00*	0.18	0.46

SD standard deviation, LW laterally-wedged, LL leg length, COP center of pressure.
* Significant difference barefoot versus LW at Baseline.
^†Significant difference barefoot versus LW at Follow-up.

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