Relationship between Freezing of Gait and Anxiety in Parkinson’s Disease Patients: A Systemic Literature Review

Table 1

Inclusion and exclusion criteria.

Inclusion criteria	Exclusion criteria
(i) English language; (ii) Peer-reviewed; (iii) Participants with confirmed diagnosis of PD; (iv) Compared both anxiety and FOG as primary outcome measures; (v) Articles published up to September 19, 2018	(i) No exploration of anxiety and/or FOG as outcome measures; (ii) Assessed festination or other gait disorders and did not document measures assessing FOG; (iii) Review articles; (iv) Case reports; (v) Conference abstracts and nonpublished articles