Jerome Sepin
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View article: Multiple imputation using multivariate adaptive regression splines
Multiple imputation using multivariate adaptive regression splines Open
Handling incomplete data is a common challenge in quantitative research, and multiple imputation (MI) has become a widely adopted solution. However, traditional MI methods can struggle with complex data patterns, potentially leading to bia…
View article: Applying the Principal Stratum Strategy in Equivalence Trials: A Case Study
Applying the Principal Stratum Strategy in Equivalence Trials: A Case Study Open
The estimand framework, introduced in the ICH E9 (R1) Addendum, provides a structured approach for defining precise research questions in randomised clinical trials. It suggests five strategies for addressing intercurrent events (ICE). Thi…
View article: Are Predictors for Overall Mortality in COPD Patients Robust over Time?
Are Predictors for Overall Mortality in COPD Patients Robust over Time? Open
(1) Background: Mortality is a major outcome in research on chronic obstructive pulmonary disease (COPD) with various predictors described. However, the dynamic courses of important predictors over time are disregarded. This study evaluate…