Clinical Study

Early Freezing of Gait: Atypical versus Typical Parkinson Disorders

Table 1

Demographics of freezing of gait (FOG) patients unresponsive to levodopa compared to those of FOG patients responsive to levodopa.

Patient demographicsFOG patients 
unresponsive to 
levodopa ()*
FOG patients 
responsive to 
levodopa ()
Significance

Age (yrs)66.9 ± 7.167.4 ± 6.7NS
Disease duration (yrs)3.6 ± 0.94.2 ± 0.7 = 0.036
Hoehn and Yahr stage ≥47/182/21Odds ratio 
6.05, 
95% CI 1.06–34.4; 
= 0.043
≥2 falls/month15/1811/21Odds ratio 
4.6,  
95% CI 1.01–20.5; 
= 0.05

In the group, 12 patients had atypical parkinsonism and 6 had PD.
Significant values are indicated in bold.
FOG: freezing of gait; PD: Parkinson’s disease.