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Table 1 Timeline for the schedule of enrolment, interventions, and assessments

From: Efficacy of the addition of interferential current to Pilates method in patients with low back pain: a protocol of a randomized controlled trial

Outcomes

Enrolment

Before randomization

Intervention period (6 weeks)

6-week follow-up after randomization

6-month follow-up after randomization

Eligibility criteria

X

    

Demographic data

X

    

Informed consent

X

    

Primary outcomes

 Pain intensity

 

X

 

X

 

 PPT

 

X

 

X

 

 Disability

 

X

 

X

 

Secondary outcomes

 Pain intensity

    

X

 Disability

    

X

 GPE

 

X

 

X

X

 Specific disability

 

X

 

X

X

 Kinesiophobia

 

X

 

X

X

Interventions

 Active IC + Pilates

  

X

  

 Sham IC + Pilates

  

X

  
  1. PPT: Pressure pain threshold; GPE: Global perceived effect; IC: Interferential current.