Read more explanation of CONSORT item 3a

Examples of Trial Design

This page contains Examples of CONSORT item 3a - Description of trial design (such as parallel, factorial) including allocation ratio. 

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"This was a multicenter, stratified (6 to 11 years and 12 to 17 years of age, with imbalanced randomisation [2:1]), double-blind, placebo-controlled, parallel-group study conducted in the United States (41 sites)."

Blumer JL, Findling RL et al Controlled clinical trial of zolpidem for the treatment of insomnia associated with attention-deficit/hyperactivity disorder in children 6 to 17 years of age Pediatrics 2009;123:e770-e776.

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Page last edited: 18 March 2011