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Table 1 Schedule of study assessments

From: Different limb lengths in gastric bypass surgery: study protocol for a Swiss multicenter randomized controlled trial (SLIM)

Study periods

Screening

Intervention

Follow-up

Visit

1

2

3

4

5

6

7

8

9

10

11

Time (day, month, year)

− 3 months

0–5 days

3 months

6 months

9 months

1 year

1.5 years

2 years

3 years

4 years

5 years

Patient information and informed consent

x

          

Demographics

x

          

Medical history

x

          

Inclusion/exclusion criteria

x

x

         

Physical examination

x

x

x

x

x

x

x

x

x

x

x

Vital signs

x

x

x

x

x

x

x

x

x

x

x

Laboratory tests

x

x

x

x

x

x

x

x

x

x

x

Randomization

 

x

         

Operation

 

x

         

Complications

 

x

x

x

x

x

x

x

x

x

x

Primary variables

x

x

x

x

x

x

x

x

x

x

x

Secondary variables

x

x

x

x

x

x

x

x

x

x

x

Questionnaires

x

  

x

 

x

 

x

x

x

x

Adverse events

 

x

x

x

x

x

x

x

x

x

x