The average systematic review may require 12 months of work. This, or course, depends on many variables: how many databases you search, how many documents you retrieve, how many people you have working on the review, your amount of experience, etc. TMC librarians can save you months of work by formulating your search terms, running your searches in multiple databases, de-duplicating results, and many other services.
|1 - 2||Preparation of protocol|
|3 - 8||Searches for published and unpublished studies|
|2 - 3||Pilot test of eligibility criteria|
|3 - 8||Inclusion assessments|
|3||Pilot test of 'Risk of bias' assessment|
|3 - 10||Validity assessments|
|3||Pilot test of data collection|
|3 - 10||Data collection|
|3 - 10||Data entry|
|5 - 11||Follow up of missing information|
|8 - 10||Analysis|
|1 - 11||Preparation of review report|
|12 -||Keeping the review up-tp-date|
From: Higgins JPT, Green S (editors). Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 [updated March 2011]. The Cochrane Collaboration, 2011. Available from www.cochrane-handbook.org.