Case‐mix adjustment in non‐randomised observational evaluations: the constant risk fallacy
AUTOR(ES)
Nicholl, Jon
FONTE
BMJ Group
RESUMO
Observational studies comparing groups or populations to evaluate services or interventions usually require case‐mix adjustment to account for imbalances between the groups being compared. Simulation studies have, however, shown that case‐mix adjustment can make any bias worse.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2465605Documentos Relacionados
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