Table 2.

Correlations among baseline ODI and baseline back and leg pain VAS.

		Baseline leg pain VAS	Baseline ODI
Baseline back pain VAS	Rho	0.289∗∗	0.459∗∗
	P	< 0.001	< 0.001
	n	339	329
Baseline leg pain VAS	rho		0.443∗∗
	p		< 0.001
	n		329

∗∗Correlation is statistically significant at the 0.01 level.