This is an archived version. For the current version, please go to training.cochrane.org/handbook/current.

18.4.6  Additional analyses

Access to the IPD also permits an in-depth exploration of patient characteristics themselves, irrespective of the intervention. For example, the large datasets collected can be used in the construction of prognostic indices that may be able to predict outcome based on patient characteristics (International Germ Cell Cancer Collaborative Group 1997).