Table 3.

Correlations between clinician-reported and performance outcomes during 4.5 years of follow-up in the overall HSP group.

COA		Delta 10MWT-SSWS	Delta 10MWT-MWS	Delta TUG-SSWS	Delta TUG-MWS	Delta 6MWT	Delta LRI
Delta SPRS	Rho	0.618**	0.679**	0.477	0.242	−0.473	−0.438
	p	0.008	0.003	0.053	0.350	0.064	0.079
Delta mSPRS	Rho	0.638**	0.548*	0.366	0.219	−0.298	−0.477
	p	0.006	0.023	0.148	0.399	0.262	0.053

SPRS, Spastic Paraplegia Rating Scale; mSPRS, Motor Spastic Paraplegia Rating Scale; COA, clinical outcome assessments; 10MWT-SSWS, 10-meter walking test at self-selected speed; 10MWT-MWS (s), 10-meter walking test at maximal speed; TUG-SSWS, Timed-Up and Go test at self-selected walking speed; TUG-MWS, Timed-Up and Go test at maximal walking speed; 6MWT, 6-min walking test; %, percentage; LRI, locomotor rehabilitation index. *p < 0.05, **p < 0.01.