Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 2 of 2 for “"Non-collapsibility"”.
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EVALUATION, DEVELOPMENT, AND EXTENSION OF FLEXIBLE PARAMETRIC MODELS FOR THE DISTRIBUTIONAL ANALYSIS OF CENSORED AND NON-CENSORED DATA: A FRAMEWORK FOR MODELING AND COMMUNICATING THE FULL DISTRIBUTION OF HEALTH OUTCOMES.
… Hazard Ratio (HR), while popular, suffers from non-collapsibility and lacks a straightforward causal interpretation, particularly when proportional hazards (PH) assumptions are violated. Furthermore, single-number summaries often obscure the temporal dynamics of risk, failing to communicate when …
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Statistical issues in Mendelian randomization: use of genetic instrumental variables for assessing causal associations
Mendelian randomization is an epidemiological method for using genetic variation to estimate the causal effect of the change in a modifiable phenotype on an outcome from observational data. A genetic variant satisfying the assumptions of an instrumental variable for the phenotype of interest can be …