Part 1: Cochrane reviews
Part 2: General methods for Cochrane reviews
5 Defining the review question and developing criteria for including studies
5.1 Questions and eligibility criteria
5.2 Defining types of participants: which people and populations?
Box 5.2.a: Factors to consider when developing criteria for 'Type of participants'
5.3 Defining types of interventions: which comparisons to make?
Box 5.3.a: Factors to consider when developing criteria for 'Type of interventions'
5.4 Defining types of outcomes: which outcome measures are most important?
5.4.1 Listing relevant outcomes
5.4.2 Prioritizing outcomes: Main, primary and secondary outcomes
5.4.3 Adverse outcomes
5.4.4 Economic data
Box 5.4.a: Factors to consider when developing criteria for 'Types of outcomes'
5.5 Defining types of study
5.6 Defining the scope of a review question (broad versus narrow)
Table 5.6.a: Some advantages and disadvantages of broad versus narrow review questions
5.7 Changing review questions
5.8 Chapter information
6 Searching for studies
7 Selecting studies and collecting data
8 Assessing risk of bias in included studies
9 Analysing data and undertaking meta-analyses
10 Addressing reporting biases
11 Presenting results and 'Summary of findings' tables
12 Interpreting results and drawing conclusions
Part 3: Special topics