Front page
Handbook information
Part 1: Cochrane reviews
Part 2: General methods for Cochrane reviews
    5 Defining the review question and developing criteria for including studies
    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
       9.1 Introduction
       9.2 Types of data and effect measures
       9.3 Study designs and identifying the unit of analysis
       9.4 Summarizing effects across studies
       9.5 Heterogeneity
       9.6 Investigating heterogeneity
          9.6.1 Interaction and effect modification
          9.6.2 What are subgroup analyses?
          9.6.3 Undertaking subgroup analyses
             9.6.3.1 Is the effect different in different subgroups?
          9.6.4 Meta-regression
          9.6.5 Selection of study characteristics for subgroup analyses and meta-regression
          9.6.6 Interpretation of subgroup analyses and meta-regressions
          9.6.7 Investigating the effect of baseline risk
          9.6.8 Dose-response analyses
       9.7 Sensitivity analyses
       9.8 Chapter information
       Box 9.8.a: The Cochrane Statistical Methods Group
       9.9 References
    10 Addressing reporting biases
    11 Presenting results and 'Summary of findings' tables
    12 Interpreting results and drawing conclusions
Part 3: Special topics
Additional material