Table 4

Spearman’s correlation coefficients of the UPDRS motor and ADL scores and various parkinsonian motor symptoms with the 15D and PDQ-39 quality of life measures

	UPDRS motor score	UPDRS ADL score	Tremor	Rigidity	Hypokinesia	Postural instability	Gait disturbance
**p⩽0.0001.
ADL, activities of daily living; PDQ-39, 39 item Parkinson’s Disease Questionnaire; UPDRS, Unified Parkinson’s Disease Rating Scale.
15D
15D score	−0.55**	−0.69**	−0.52**	−0.36**	−0.51**	−0.58**	−0.60**
Mobility	0.45**	0.55**	0.43**	0.20	0.41**	0.49**	0.63**
Vision	0.34**	0.40**	0.34**	0.14	0.30**	0.44**	0.43**
Hearing	0.15	0.28**	0.12	0.04	0.18	0.17	0.18
Breathing	0.23	0.28**	0.20	0.21	0.23	0.20	0.32**
Sleeping	0.20	0.25	0.18	0.21	0.27	0.31**	0.17
Eating	0.38**	0.52**	0.36**	0.23	0.36**	0.47**	0.50**
Speech	0.33**	0.49**	0.32**	0.24	0.33**	0.44**	0.29
Elimination	0.38**	0.36**	0.38**	0.22	0.31**	0.35**	0.39**
Usual activities	0.55**	0.69**	0.52**	0.34**	0.45**	0.52**	0.57**
Mental function	0.21	0.30**	0.21	0.06	0.19	0.29**	0.26
Discomfort and symptoms	0.17	0.25	0.15	0.17	0.18	0.18	0.17
Depression	0.33**	0.37**	0.31**	0.25	0.35**	0.27**	0.29**
Distress	0.19	0.22	0.17	0.20	0.18	0.11	0.14
Vitality	0.40**	0.50**	0.38**	0.33**	0.43**	0.38**	0.41**
Sexual activity	0.51**	0.57**	0.47**	0.35**	0.46**	0.49**	0.49**
PDQ-39
Summary score	0.54**	0.68**	0.53**	0.35**	0.51**	0.53**	0.58**
Mobility	0.54**	0.69**	0.52**	0.31**	0.52**	0.59**	0.64**
ADL	0.57**	0.72**	0.56**	0.35**	0.51**	0.53**	0.60**
Emotional	0.42**	0.47**	0.40**	0.32**	0.40**	0.35**	0.42**
Stigma	0.31**	0.38**	0.30**	0.21	0.29**	0.25	0.34**
Social support	0.31**	0.36**	0.30**	0.21	0.24	0.20	0.31**
Cognitions	0.43**	0.50**	0.41**	0.23	0.38**	0.41**	0.47**
Communication	0.48**	0.61**	0.49**	0.34**	0.43**	0.53**	0.50**
Bodily discomfort	0.23	0.32**	0.25	0.22	0.26	0.23	0.21