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

Simpson 1992.

Methods RCT 
 Method of randomisation: stratified (don't know how) and randomly assigned 
 Participant blinding: no 
 Assessor blinding: no 
 Loss to follow‐up: 6 
 Intention‐to‐treat analysis: no 
 Post‐program follow up: no
Participants Location: Canada 
 N = 34 
 Sample: people with chronic airflow obstruction 
 Age: mean 73 years (SD 4.8) in PRT group 
 Inclusion criteria: aged 58‐80, attending a respiratory outpatient clinic, in a clinically stable state, no recent infective exacerbation, drug management was considered to be optimal, FE to VC ratio of less than 0.7, body weight within 30% of ideal weight, absence of disorders likely to affect exercise, capacity to take part in the training program, 
 Exclusion criteria: not reported
Interventions PRT versus control 
 1. PRT 
 Type of Ex: 1UL, 2LL 
 Equipment: weight‐lifting machines 
 Intensity: 50‐85% of 1RM 
 Frequency: Ex3 
 Reps/Sets: 10/3 
 Program Duration: 8 weeks 
 Setting: gym 
 Supervision: not reported 
 Adherence: 90% 
 2. Control Group: only attended testing sessions
Outcomes Strength (1RM) 
 Spirometry 
 Aerobic capacity (VO2 max) 
 6‐minute walk test 
 Likert scale rating of discomfort during four daily activities (1= extreme disability, 7=none) assessed for fatigue, dyspnoea, emotion and mastery 
 Comments on adverse events: no
Notes  
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk B ‐ Unclear