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Table 2 Sample and data collection time points

From: A double blind randomized controlled trial in neonates to determine the effect of vitamin A supplementation on immune responses: The Gambia protocol

 

Infant age (weeks)

Measurement

0*

1

3

6

8

12

16

17

26

40

52

EPI

X

   

X

X

X

 

X

X

X

Thymic index

 

X

 

X

 

X

 

X

   

Venous bleed (Infant)

   

X

   

X

   

Venous bleed (Mothers)

 

X

 

X

       

Tuburculin skin test

   

X

       

Modified relative dose response

       

X

   

Anthropometry (Infant)

X

X

 

X

X

X

X

X

X

X

X

Anthropometry (Mother)

X

  

X

 

X

 

X

   

Morbidity

X

X

X

X

X

X

X

X

X

X

X

  1. *within 48hs of birth Note: Adverse event visits were carried out at 24 and 72 hours post-supplementation. Mothers’ venous bleed at 1 week was to determine HIV status before the 6 week time point.