Abstract
A common clinical study design follows patients over time, recording end-point events as they occur for each individual. In a cancer clinical trial with death as the endpoint, there can be at most one event per patient. In other cases, multiple events are possible — for example, studies of recurrent infections in bone marrow transplantation recipients. The study goal is to model the event rate as a function of covariates measured at baseline. In a clinical trial, these would typically include the treatment group, measures of disease severity, patient age, and other sociodemographic variables. The proportional hazards regression model is a popular tool.
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Grambsch, P.M. (1995). Goodness-of-fit and diagnostics for proportional hazards regression models. In: Thall, P.F. (eds) Recent Advances in Clinical Trial Design and Analysis. Cancer Treatment and Research, vol 75. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2009-2_5
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DOI: https://doi.org/10.1007/978-1-4615-2009-2_5
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