Table 2.

Comparison of the patients with and without FOG

	Without FOG		With FOG
	Mean ± SD	Range	Mean ± SD	Range	z; p
Age (years)	64.58±11.47	27–85	67.50±9.31	47–84	1.330; 0.183
Duration of disease (years)	6.83±7.12	1–37	7.86±6.11	1–35	1.750; 0.080
UPDRS motor score	14.33±7.72	1–30	22.34±7.71	6–41	4.767; <0.001
HYS	1.865±0.76	1–3	2.586±0.81	1–4	4.257; <0.001
Levodopa equivalent dose (mg)	579.27±311.59	100–1600	777.82±597.27	0–2550	1.454; 0.146
FOG Questionnaire score	2.77±3.82	0–18	15.10±6.06	1–24	7.973; <0.001
VAS score	3.79±3.85	0–10	4.33±3.70	0–10	0.716; 0.474

FOG, freezing of gait; SD, standart deviation; UPDRS, unified Parkinson’s disease rating scale; HYS, Hoehn and Yahr scale.