The validation of an Italian version of the Freezing of Gait Questionnaire

Nicola Tambasco, Simone Simoni, Paolo Eusebi, Francesco Ripandelli, Elona Brahimi, Elisa Sacchini, Pasquale Nigro, Erica Marsili, Paolo Calabresi

Risultato della ricerca: Contributo in rivistaArticolo in rivista

12 Citazioni (Scopus)


Freezing of gait (FOG) is a common and disabling symptom in Parkinson’s disease (PD) and its staging is complex because of its episodic nature. Patient-reported assessments are essential in evaluating this disabling symptom. The Freezing of Gait Questionnaire (FOG-Q) is considered a valid and reliable tool for the assessment of FOG severity. The aim of our study was to validate the Italian version of FOG-Q and to investigate for its association with several clinical aspects of PD. Fifty-one PD patients were administered the FOG-Q and the timed up and go test. Moreover, patients were evaluated for the unified PD rating scale (UPDRS), the Hoehn and Yahr Scale (H&Y) and the falls-efficacy scale [FES(S)]. Mean (SD) FOG-Q item scores ranged between 1.5 and 2.7 (1.0–1.4); corrected item–total correlations ranged between 0.63 and 0.86. The total FOG-Q score ranged between 0 and 24, with a mean + SD of 12.6 (6.2) and a median (q1–q3) of 12 (9–17). Reliability was 0.91. FOG-Q correlated with H&Y (0.36, p = 0.0091), UPDRS part III (rS = 0.27, p = 0.054), PD duration (rS = 0.35, p < 0.01), FES(S) (rS = 0.58, p < 0.001) and the timed up and go test (rS = 0.51, p = 0.001). Non-significant positive correlations were observed for dyskinesia and motor fluctuations. Our study validates the Italian version of the FOG-Q, in that it results being a reliable instrument for assessing FOG in PD patients.
Lingua originaleEnglish
pagine (da-a)759-764
Numero di pagine6
RivistaNeurological Sciences
Stato di pubblicazionePubblicato - 2015


  • Aged
  • Aged, 80 and over
  • FOG
  • Female
  • Freezing of gait
  • Gait
  • Gait Disorders, Neurologic
  • Humans
  • Italy
  • Male
  • Middle Aged
  • Parkinson’s disease
  • Questionnaire
  • Rating scale
  • Reproducibility of Results
  • Severity of Illness Index
  • Statistics, Nonparametric
  • Surveys and Questionnaires


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