Table 1.

PICOS: Participants, Interventions, Comparisons, Outcomes and Study design.

Participants	Interventions	Comparisons	Outcomes	Study Design
Patients with Parkinson’s	NIVR	Fall prevention education, treadmill, conventional exercise, and sensory integration balance training	Index of falls, balance, functional mobility and motor status	Randomized clinical trials

Notes: PD = Parkinson’s Disease; RVNI = non-immersive virtual reality; VR = virtual reality.