Table 3. Correlations between Age, Tremor Characteristics and Non-motor Scores (n  =  110).

	SF-36 PCS		SF-36 MCS		AES		STAI-T		BDI		ESS		FAB		PANDA		Sniffin Sticks
	r	P	r	P	r	P	r	P	r	P	r	P	r	P	r	P	r	P
Age	−0.350	<0.001	0.182	0.057	0.064	0.504	−0.086	0.374	0.111	0.247	−0.004	0.965	−0.407	<0.001	−0.294	0.002	−0.462	<0.001
AOO	−0.301	0.001	0.157	0.102	0.022	0.820	−0.97	0.314	0.045	0.642	0.056	0.564	−0.248	0.009	−0.209	0.029	−0.338	<0.001
DD	0.109	0.257	−0.079	0.410	0.050	0.606	0.050	0.601	0.018	0.850	−0.081	0.398	0.003	0.979	0.054	0.574	0.022	0.816
FTRS score1	−0.267	0.005	−0.161	0.096	0.164	0.089	0.170	0.079	0.183	0.057	0.048	0.625	−0.157	0.106	−0.386	<0.001	−0.255	0.008
SF-36 MCS	0.092	0.337
AES	−0.340	<0.001	−0.427	<0.001
STAI-T	−0.351	<0.001	−0.780	<0.001	0.620	<0.001
BDI	−0.480	<0.001	−0.522	<0.001	0.591	<0.001	0.699	<0.001
ESS	−0.203	0.033	−0.269	0.004	0.326	0.001	0.333	<0.001	0.361	<0.001
FAB	0.382	<0.001	0.084	0.381	−0.361	<0.001	−0.253	0.008	−0,288	0.002	−0.206	0.030
PANDA	0.198	0.038	0.016	0.867	−0.336	<0.001	−0.74	0.444	−0.154	0.108	−0.040	0.675	0.418	<0.001

Abbreviations: AES, Apathy Evaluation Score; AOO, Age of Onset; BDI, Beck Depression Inventory; DD, Disease Duration; ESS, Epworth Sleepiness Scale; FAB, Frontal Asssessment Battery; FTRS, Fahn-Tolosa-Marin Tremor Rating Scale; MCS, Mental Component Score; PANDA, Parkinson Neuropsychometric Dementia Assessment; PCS, Physical Component Score; SF-36, Short-Form 36-Item Health Survey; STAI-T, State-Trait Anxiety Scale; r, Spearman’s Rho Correlation Coefficient.

¹108 patients completed the FTRS.