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. 2021 Sep 22;11(11):e2359. doi: 10.1002/brb3.2359

TABLE 2.

Association between freezing of gait questionnaire (FOG‐Q) and clinical variables in patients with freezing of gait (FOG)

NFOG‐Q
Pearson's correlation (γ) p‐Value
Age (years) 0.149 .379
Age at disease onset (years) 0.144 .392
Duration of disease (years) 0.089 .598
Levodopa equivalent dose (mg) −0.040 .816
H‐Y stage 0.597 <.0001
Tremor subscore 0.032 .850
Rigidity subscore 0.164 .333
Bradykinesia subscore 0.413 .0111
PIGD subscore 0.639 <.0001
UPDRS part I score 0.495 .002
UPDRS part II score 0.233 .0007
UPDRS part III score 0.405 .0129
UPDRS part IV score 0.496 .0018
PDQ‐39 score 0.624 <.001
NMSS score 0.356 .0307
MoCA score 0.450 .0052
HAM‐A score 0.369 .0244
HAMD score 0.451 .0051
ESS score 0.198 .239
AHRS score −0.034 .842
RBD‐SQ score 0.381 .0199
SCPA‐AUT score 0.158 .349

Abbreviations: ESS, Epworth Sleepiness Scale; H‐Y stage, Hoehn‐Yahr stage; HAM‐A, Hamilton Anxiety Scale; HAMD, Hamilton Depression Scale; NMSS, nonmotor symptoms assessment scale; MoCA, Montreal Cognitive Assessment; PDQ‐39, Parkinson's disease questionnaires‐39; PIGD, postural instability gait difficulty; UPDRS, Unified Parkinson's Disease Rating Scale.