Table 2.

Clinical factors related to FOG in this study.

Variables		OR (95% CI)	p
Disease duration		1.058 (1.011–1.108)	0.015
Onset age		0.973 (0.953–0.995)	0.015
Phenotype	Tremor	1.00	0.000
	No-tremor	3.817 (2.550–5.714)
H-Y stage		1.621 (1.238–2.124)	0.000
Presence of dyskinesia		2.339 (1.280–4.274)	0.006
Presence of motor fluctuation		2.035 (1.335–3.102)	0.001
Balance stage	Normal	1.00
	Decreased balance ability	4.320 (1.381–13.517)	0.012
	Poor balance	1.964 (1.138–3.391)	0.015
HAMA scores ≥ 8		2.048 (1.407–2.983)	0.000

A logistic regression analysis based on forward stepwise method was conducted to determine the most significant variables which were correlated with FOG in PD.