Barozzi 2006.

Methods	Design: randomised controlled trial
Participants	Number: 28 Age: mean age 59 (SD 6) years Gender: 8 men Setting: not reported Eligibility criteria: unilateral peripheral vestibular deficit, 1 to 6 months after the acute phase, diagnosed by clinical examination, CDP, videonystagmography, rotatory chair and caloric tests demonstrating a canal paresis of at least 25% Baseline characteristics: not reported
Interventions	Intervention group: oculomotor rehabilitation (adaptation) (n not stated) Comparator group: vestibular electrical stimulation (n not stated) VR versus non‐VR
Outcomes	Primary outcomes: DHI Secondary outcome: posturography
Notes	No details given regarding participants lost to follow‐up
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Insufficient information about the sequence generation process
Allocation concealment (selection bias)	Unclear risk	Insufficient information about the method of allocation
Blinding (performance bias and detection bias) All outcomes	Unclear risk	There is insufficient information regarding the blinding of participants and assessors
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	The total numbers of participants in each group at follow‐up was not reported
Selective reporting (reporting bias)	Low risk	Study protocol not available but all data appear to be reported
Other bias	Low risk	The study appears to be free of other sources of bias