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Table 2 Example template of recommended content for the schedule of enrolment, interventions, and assessments

From: Combined effects of vitamin D supplementation and endurance exercise training on insulin resistance in newly diagnosed type 2 diabetes mellitus patients with vitamin D deficiency: study protocol for a randomized controlled trial

  Study period
Timepoint Enrolment and baseline allocation
0 week
Intervention
1–12 weeks
Post-intervention
13 weeks
Follow-up
13–24 weeks
Close-out
25 weeks
Enrolment      
 Eligibility screen X     
 Informed consent X     
 Randomization and allocation X     
Exercise/vitamin D intervention   X    
Assessment      
 Blood parameter tests X   X X  
 Body composition X   X X  
 Ankle-brachial index X   X X  
 Physical fitness factors X   X X