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. 2011 Nov 9;2011(11):CD004963. doi: 10.1002/14651858.CD004963.pub3

de Greef 2006.

Methods Type of study: RCT
Participants Number of participants randomised: 45
Losses: 5 (2 from exercise group and 3 from control group)
N = 45 
 Age: 85.3 years (exercise) 86.2 years (control) 
 Sex: 33% men (exercise group) 9% men (control group)
Health status as defined by authors: frail 
 Residential status of participants: 74% nursing home residents; 26% sheltered housing residents
Setting:The Netherlands 
 Inclusion: over 75 years of age; independently mobile 
 Exclusion:dementia; unable to give informed consent; physio assesses as "do not mobilise"
Interventions EXERCISE GROUP (MULTIPLE) (n = 22) : light intensity training programme with exercises from the "Dutch Institute for Sports Improvement" . Strength training, balance training and running. 
 CONTROL GROUP: (n = 23): not stated 
 Duration and intensity: I hour per week for 8 weeks. Intensity was 10 to 12 Borg Scale, equivalent to 50 ti 60 % max HR 
 Supervisor: not reported 
 Supervision: not reported 
 Setting: not reported
Outcomes Dynamic Balance TUG (s)
Static balance Functional Reach (cm)
Walking Speed 10 metre walk test (s)
Functional Abilities Physical Performance Test
Compliance/adherence: not reported
Adverse events: not reported
Notes  
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Low risk 45 randomised by drawing of lots
Allocation concealment (selection bias) Unclear risk Insufficient information to permit judgement
Incomplete outcome data (attrition bias) 
 All outcomes Unclear risk Insufficient information to permit judgement
Selective reporting (reporting bias) High risk Set out to look at between group change but reports on within group changes
Other bias Unclear risk Paper not in English language and was translated
Blinding (participant) High risk Not possible
Blinding (assessor) High risk Assessor aware of group assignments.
Were the treatment and control group comparable at entry? High risk Differences noted by authors at baseline. These are described but not analysed.
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