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Table 2 Timeline for the schedule of enrolment, interventions, and assessments

From: Effectiveness of the Pilates method versus aerobic exercises in the treatment of older adults with chronic low back pain: a randomized controlled trial protocol

Outcomes Enrolment Before randomization Intervention period (8 weeks) 8-week follow-up after randomization 6-months follow-up after randomization
Eligibility criteria X     
Demographic data X     
Informed consent X     
Primary outcomes
 Pain intensity   X   X  
 General disability   X   X  
Secondary outcomes
 Pain intensity    X   X
 General disability      X
 Global impression of improvement   X   X X
 Specific disability   X   X X
 Dynamic balance   X   X X
 Muscular strength   X   X X
Interventions
 Pilates method treatment    X   
 Aerobic treatment    X