Investigating the trends in patient-reported outcomes pre-treatment and implications to efficacy analyses: A post-hoc analysis of a cancer clinical trial

Autor: Schlichting, Michael, Sanz, Hector, Williams, Paul, Ballarini, Nicolas, Rippin, Gerd, Pawar, Vivek

Publikováno v: In Contemporary Clinical Trials Communications December 2022 30

Single-reviewer abstract screening missed 13 percent of relevant studies: a crowd-based, randomized controlled trial

Autor: Gartlehner, Gerald, Affengruber, Lisa, Titscher, Viktoria, Noel-Storr, Anna, Dooley, Gordon, Ballarini, Nicolas, König, Franz

Publikováno v: In Journal of Clinical Epidemiology May 2020 121:20-28

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Delayed treatment effects, treatment switching and heterogeneous patient populations: design and analysis of randomized controlled trials under non-proportional hazards

Autor: Ristl, Robin, Ballarini, Nicolas, Götte, Heiko, Schüler, Armin, Posch, Martin, Koenig, Franz

Publikováno v: 65th Annual Meeting of the German Association for Medical Informatics, Biometry and Epidemiology (GMDS), Meeting of the Central European Network (CEN: German Region, Austro-Swiss Region and Polish Region) of the International Biometric Society (IBS); 20200906-20200909; Berlin; DOCAbstr. 356 /20210226/

Comparing survival distributions based on censored data is in general challenging since conclusions are sought about distributions which are observed incompletely. In medical statistics, and in particular in oncology, the logrank test and the Cox mod

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