Comorbidity, alternatives and challenges in cancer research
Abstract
In recent years, comorbidity studies have increased.
This article presents an updated synthesis of the most commonly used measures in cancer research and some particularities of their application; it will offer a statistical culture in this respect. The spectrum of comorbidity measures is wide, and no clearly superior method can be determined. The choice of the most suitable instrument will depend on the research problem, objectives, study design, planned or available sources of information and the expected time of the investigation. Comorbidity is a multidimensional variable of a dynamic nature. Its incorporation in current statistical information systems and in hospital cancer registries favors information management and maximizes its use in the medical care and research process.
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