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Author

I. Schmidtmann

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2 papers indexed here

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Review Aug 2026

Blinded sample size review for McNemar's test based on primary and surrogate endpoints

We develop blinded sample size re-estimation strategies for McNemar's test based on paired binary primary and secondary short-term surrogate endpoints. The development is motivated by a prospective randomized clinical trial on childhood glaucoma. A conditional power expression for McNemar's test given the primary endpo...

Markus Schepers, W. Brannath, Esther M. Hoffmann et al. · 0 citations
Aug 2026

An analysis of acceptance, socioeconomic factors, and outcome of skin cancer screening among the cohort of the Gutenberg Health Study.

BACKGROUND AND OBJECTIVES Given the increasing incidence of cutaneous neoplasms, the nationwide skin cancer screening program was implemented in Germany in 2008. However, there are few studies evaluating its effectiveness. The aim of this analysis was to assess factors influencing participation and outcomes of skin can...

Maike Kaufhold, H. Stege, Stephan Grabbe et al. · 0 citations

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