Table 2.

Multiple linear regression for health-related Quality of life (EQ-5D Index).

	R2	Beta	T	95% Confidence intervals		sig
				Lower	upper
	0.26
MDS-UPDRS-III		−0.003	−8.4	−0.004	−0.003	< 0.001
MDS-UPDRS-IV		−0.016	−7.1	−0.021	−0.012	< 0.001
SFMPQ		−0.014	−16.6	−0.015	−0.012	< 0.001

MDS-UPDRS-III, Unified Parkinson's disease Rating Scale Part III (motor examination); MDS-UPDRS-IV, Unified Parkinson's disease Rating Scale Part IV (motor complications); SFMPQ, Short Form McGill Pain Questionnaire.