Table 3. Summary of linear regression.

Variable	R	R2	β	t	p
More-affected side
Tinetti balance	0.723	0.522	−0.723	−6.779	<0.001*
Less-affected side
Tinetti balance	0.843	0.711	−0.843	−10.153	<0.001*

Variables eliminated from the regression model (more-affected side): Unified Parkinson’s Disease Rating Scale (UPDRS III), freezing of gait questionnaire (FOGQ), trunk flexors, and lower extremity (LE) extensor (p>0.05).

Variables eliminated from the regression model (less-affected side): UPDRS III, FOGQ, trunk flexors, LE extensor, and LE abductor; (*p>0.05).