Table 1. Demographics of the 222 PD patients who completed the Parkinson’s disease patients' concerns survey.

Item	Results
Age	67.69 ± 10.84
Male gender	125 (56.3%)
Disease duration	10.40 ± 6.58
Presenting symptoms at the time of diagnosis:
■ Bradykinesia	(61.7%)
■ Tremor	(48.6%)
■ Rigidity	(41.9%)
■ Gait difficulty	87 (39.2%)
Mean HY Score (all patients)	2.76 ± 0.91
Number at each HY stage:
■ Stage 1	(2.7%)
■ Stage 2	(43.7%)
■ Stage 3	(32.9%)
■ Stage 4	(16.2%)
■ Stage 5	10 (4.5%)
Presence of postural instability	119 (53.6%)
Presence of caregivers	112 (50.5%)

Categorical data are reported as number and percentage; continuous data are reported as mean ± standard deviation. HY: Hoehn & Yahr stage.