Table 3.

Correlation coefficients for bivariate Pearson correlations between the two different time points (pre-operative and 6 months postoperative). *p < 0.05, bold values represent strong correlations

			Post-operative
			Extension strength		Flexion strength
			affected leg	LSI	affected leg	LSI
pre-operative	Extension strength	Affected leg	0.79*	0.29	0.63*	0.16
		LSI	0.33*	0.18	0.26*	0.06
	Flexion strength	Affected leg	0.5*	0.09	0.64*	0.11
		LSI	0.36*	0.15	0.39*	0.22