Article info
Theory and methods
Case-mix adjustment in non-randomised observational evaluations: the constant risk fallacy
- Jon Nicholl, Medical Care Research Unit, School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, UK; j.nicholl{at}sheffield.ac.uk
Citation
Case-mix adjustment in non-randomised observational evaluations: the constant risk fallacy
Publication history
- Accepted March 12, 2007
- First published October 12, 2007.
Online issue publication
April 27, 2016
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Copyright information
2007 the BMJ Publishing Group