Table 3.

Reliability of COP measures

COP parameter	NSLBP (n = 77)			Healthy controls (n = 77)
	ICC2,k	95%CI	SEM	ICC2,k	95%CI	SEM
mVel ML	0.85	0.79-0.99	0.96	0.89	0.73-0.97	0.89
mVel AP	0.83	0.76-0.88	0.86	0.85	0.63-0.96	0.96
90% circle diameter	0.71	0.61-0.79	1.29	0.69	0.57-0.77	1.44

AP: antero-posterior, mVel: mean velocity, ML: medio-lateral