TABLE 1.

Clinical data of 155 patients with EOPD.

Clinical data	EOPD
	(n = 155)
Male [case (%)]	91(58.7%)
Age at onset (year)	43.39 ± 7.13
Age at assessment (year)	50.76 ± 9.28
Duration at assessment (year)	6.0 (1–50)
LED (mg/d)	533.7 ± 289.3
UPDRS-I score	3.59 ± 2.52
ADL score	12.67 ± 7.39
UPDRS-III score	28.69 ± 16.83
H-Y staging	2.0 (1.0–5.0)
MMSE score	27.49 ± 2.44
MoCA score	23.71 ± 4.95
HAMD score	11.18 ± 7.25
HAMA score	7.48 ± 5.18
PDSS score	120.07 ± 23.47
NMSQ score	9.25 ± 5.16

EOPD: early-onset Parkinson’s disease; LED: levodopa equivalent daily dose; UPDRS: Unified Parkinson’s disease rating scale; ADL: Activities of Daily Living; H-Y: Hoehn-Yahr staging; MMSE: Mini-Mental State Examination; MoCA: Montreal Cognitive Assessment; HAMD: 24-item Hamilton Rating Scale for Depression; HAMA: 14-item Hamilton Rating Scale for Anxiety; PDSS: Parkinson’s Disease Sleep Scale; NMSQ: Non-Motor Symptoms Screening Questionnaire.