Table 3.

Subjective sleep data and motor symptoms from baseline to the 3-month FU visit

	Baseline (mean ± SD)	3-month FU (mean ± SD)	p-value
PSQI	8.08 ± 2.81	6.58 ± 2.68	0.057
PDSS-2	16.75 ± 5.91	14.42 ± 5.89	0.239
ESS	8.75 ± 3.65	6.75 ± 2.86	0.026
UPDRS-III	21.50 ± 8.80	20.50 ± 8.24	0.072

Abbreviations: FU, follow-up; PSQI, Pittsburgh Sleep Quality Index; PDSS-2, Parkinson Disease Sleep Scale-Revised; ESS, Epworth Sleepiness Scale; UPDRS-III, Unified Parkinson’s Disease Rating Scale-III; SD, standard deviation