Table 5

Correlations of changes in performance measures (TUG and FTSST) and changes in pain, function and quality of life scores

Correlation		WOMAC	WOMACpain	VAS	Lequesne	SF-36PCS	SF-36MCS
TUG (baseline - 12 months)	r	0.059	0.063	0.039	−0.013	−0.019	0.050
	p	0.432	0.398	0.598	0.865	0.799	0.502
	n	182	182	182	182	182	182
FTSST (baseline - 12 months)	r	0.059	0.063	0.039	−0.013	−0.019	0.050
	p	0.432	0.398	0.598	0.865	0.799	0.502
	n	182	182	182	182	182	182

FTSST, five-times-sit-to-stand test; SF-36 PCS, Medical Outcomes Study—36-Item Short Form Health Survey—Physical Component Summary; SF-36 MCS, Medical Outcomes Study—36-Item Short Form Health Survey—Mental Component Summary; TUG, timed-up-and-go; VAS, Visual Analogue Scale.