18.7  References

Clarke 1998  
Clarke M, Stewart L, Pignon JP, Bijnens L. Individual patient data meta-analysis in cancer. British Journal of Cancer 1998; 77: 2036-2044.

Higgins 2001  
Higgins JPT, Whitehead A, Turner RM, Omar RZ, Thompson SG. Meta-analysis of continuous outcome data from individual patients. Statistics in Medicine 2001; 20: 2219-2241.

International Germ Cell Cancer Collaborative Group 1997  
International Germ Cell Cancer Collaborative Group. International Germ Cell Consensus Classification: a prognostic factor-based staging system for metastatic germ cell cancers. Journal of Clinical Oncology 1997; 15: 594-603.

Simmonds 2005  
Simmonds MC, Higgins JPT, Stewart LA, Tierney JF, Clarke MJ, Thompson SG. Meta-analysis of individual patient data from randomized trials: a review of methods used in practice. Clinical Trials 2005; 2: 209-217.

Stewart 1995  
Stewart LA, Clarke MJ. Practical methodology of meta-analyses (overviews) using updated individual patient data. Statistics in Medicine 1995; 14: 2057-2079.

Stewart 2002  
Stewart LA, Tierney JF. To IPD or not to IPD? Advantages and disadvantages of systematic reviews using individual patient data. Evaluation in the Health Professions 2002; 25: 76-97.

Tudor Smith 2005a  
Tudor Smith C, Williamson PR. Meta-analysis of individual patient data with time to event outcomes.
International Conference of the Royal Statistical Society, Cardiff (UK), 2005.

Tudor Smith 2005b  
Tudor Smith C, Williamson PR, Marson AG. Investigating heterogeneity in an individual patient data meta-analysis of time to event outcomes. Statistics in Medicine 2005; 24: 1307-1319.

Turner 2000  
Turner RM, Omar RZ, Yang M, Goldstein H, Thompson SG. A multilevel model framework for meta-analysis of clinical trials with binary outcomes. Statistics in Medicine 2000; 19: 3417-3432.

Whitehead 2001  
Whitehead A, Omar RZ, Higgins JPT, Savaluny E, Turner RM, Thompson SG. Meta-analysis of ordinal outcomes using individual patient data. Statistics in Medicine 2001; 20: 2243-2260.