McGarry 2001.

Methods	Type of study: RCT
Participants	Number of participants randomised: 22 Loss: not stated N = 22 Age: mean 74.77 (range 60 to 87) years Sex: 16 women, 6 males Health Status defined by authors: healthy Residential Status of participants: community dwelling Setting: USA Inclusion: not stated Exclusion: not stated
Interventions	EXERCISE GROUP (GBFT): (N = 12) "Get off your Rocker" balance class, including single leg stance, Swiss ball, tandem walking. CONTROL GROUP: (N = 10) usual activity. Duration and intensity: 3 sessions per week for 6 weeks. Supervisor: physical therapist Supervision: group Setting: ?gym
Outcomes	Berg Balance Scale (0 to 56 points) FRT (cm) TUG (s) Compliance/adherence : not reported Adverse events: not reported
Notes	Abstract only
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Insufficient information to permit judgement
Allocation concealment (selection bias)	Unclear risk	Unclear, insufficient reporting to permit judgement
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Insufficient reporting of attrition/exclusions to permit judgement
Selective reporting (reporting bias)	Unclear risk	Insufficient information to permit judgement
Other bias	Low risk	The study appears to be free of other sources of bias
Blinding (participant)	High risk	Not possible
Blinding (assessor)	Unclear risk	Insufficient information to permit judgement
Were the treatment and control group comparable at entry?	Unclear risk	No data reported for comparison
Was the surveillance active, and of clinically appropriate duration (i.e. at least 3 months post intervention)?	High risk	Only immediately post intervention data, no follow‐up data reported