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. 2009 Jul 8;2009(3):CD002759. doi: 10.1002/14651858.CD002759.pub2

DiFrancisco 2007.

Methods RCT 
 Method of randomisation: a table of random numbers 
 Assessor blinding: not reported 
 Participant blinding: not reported 
 Loss to follow‐up: 0 
 Intention‐to‐treat analysis: no 
 Post‐program follow up: no
Participants Location: USA 
 N = 9 for each group 
 Sample: see below 
 Age: mean = 77.3 years (SD = 0.7) 
 Inclusion criteria: convenience sample from Academic Health Care Center 
 Exclusion criteria: participated in a strength‐training programme within 6 months, pre‐existing orthopaedic complications that would have affected any of the exercise, cardiac and respiratory conditions
Interventions PRT (once a week versus twice a week) 
 Type of Ex: 3UL/ 3LL 
 Equipment: Cybex machines 
 Intensity: high (75% of 1RM) 
 Frequency: Ex2 versus Ex1 
 Reps/Sets: 10‐15 /1 for each exercise 
 Duration: 9 weeks 
 Setting: gym 
 Supervision: not reported 
 Adherence: not reported
Outcomes Strength (1RM) 
 Comments on adverse events: yes
Notes Date from 2 times a week and one time a week were compared
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk B ‐ Unclear