Ricarda Graf, Marina Zeldovich and Sarah Friedrich
Comparing linear discriminant analysis and supervised learning algorithms for binary classification - a method comparison study
Biometrical Journal 66, 2200098 (2024)
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Sarah Friedrich and Tim Friede
On the role of benchmarking data sets and simulations in method comparison studies
Biometrical Journal 66, 2200212 (2024)
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Samuel Knoedler, Martin Kauke-Navarro, Leonard Knoedler, Sarah Friedrich, Dany Y. Matar, Fortunay Diatta, Vikram G. Mookerjee, Haripriya Ayyala, Mengfan Wu, Bong-Sung Kim, Hans-Guenther Machens, Bohdan Pomahac, Dennis P. Orgill, P. Niclas Broer and Adriana C. Panayi
Racial disparities in surgical outcomes after mastectomy in 223 000 female breast cancer patients: a retrospective cohort study
International Journal of Surgery 110, 684-699 (2024)
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Jasmin Rühl and Sarah Friedrich
Resampling-based confidence intervals and bands for the average treatment effect in observational studies with competing risks
Statistics and Computing 34, 101 (2024)
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Paula Ziethmann, Sarah Friedrich and Kerstin Schlögl-Flierl
Synthetic data in medicine: exploring resilience in emerging human-machine relationships
Datenschutz und Datensicherheit - DuD 48, 358-363 (2024)
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Samuel Knoedler, Martin Kauke-Navarro, Leonard Knoedler, Sarah Friedrich, Haripriya S. Ayyala, Valentin Haug, Oliver Didzun, Gabriel Hundeshagen, Amir Bigdeli, Ulrich Kneser, Hans-Guenther Machens, Bohdan Pomahac, Dennis P. Orgill, P. Niclas Broer and Adriana C. Panayi
The significance of timing in breast reconstruction after mastectomy: an ACS-NSQIP analysis
Journal of Plastic, Reconstructive & Aesthetic Surgery 89, 40-50 (2024)
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Jasmin Rühl, Jan Beyersmann and Sarah Friedrich
General independent censoring in event‐driven trials with staggered entry
Biometrics 79, 1737-1748 (2023)
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Theresa Holst, Johannes Petersen, Sarah Friedrich, Benjamin Waschki, Christoph Sinning, Meike Rybczynski, Hermann Reichenspurner and Evaldas Girdauskas
Physical and mental recovery after aortic valve surgery in non-elderly patients: native valve-preserving surgery vs. prosthetic valve replacement
Journal of Cardiovascular Development and Disease 10, 138 (2023)
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Sarah Friedrich, Andreas Groll, Katja Ickstadt, Thomas Kneib, Markus Pauly, Jörg Rahnenführer and Tim Friede
Regularization approaches in clinical biostatistics: a review of methods and their applications
Statistical Methods in Medical Research 32, 425-440 (2023)
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Denise Guckel, Misagh Piran, Leonard Bergau, Mustapha El Hamriti, Thomas Fink, Vanessa Sciacca, Jan‐Christian Reil, Martin Braun, Moneeb Khalaph, Guram Imnadze, Katharina Kramer, Sarah Friedrich, Jasmin Rühl, Hermann Körperich, Philipp Sommer and Christian Sohns
The individual relationship between atrial fibrillation sources from CARTOFINDER mapping and atrial cardiomyopathy: the catch me if you can trial
Pacing and Clinical Electrophysiology 46, 1553-1564 (2023)
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Samuel Knoedler, Dany Y. Matar, Sarah Friedrich, Leonard Knoedler, Valentin Haug, Gabriel Hundeshagen, Martin Kauke-Navarro, Ulrich Kneser, Bohdan Pomahac, Dennis P. Orgill and Adriana C. Panayi
The surgical patient of yesterday, today, and tomorrow — a time-trend analysis based on a cohort of 8.7 million surgical patients
International Journal of Surgery 109, 2631-2640 (2023)
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Beate Jahn, Sarah Friedrich, Joachim Behnke, Joachim Engel, Ursula Garczarek, Ralf Münnich, Markus Pauly, Adalbert Wilhelm, Olaf Wolkenhauer, Markus Zwick, Uwe Siebert and Tim Friede
Authors' response: on the role of data, statistics and decisions in a pandemic
AStA Advances in Statistical Analysis 106, 403-405 (2022)
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Sarah Friedrich, Gerd Antes, Sigrid Behr, Harald Binder, Werner Brannath, Florian Dumpert, Katja Ickstadt, Hans A. Kestler, Johannes Lederer, Heinz Leitgöb, Markus Pauly, Ansgar Steland, Adalbert Wilhelm and Tim Friede
Is there a role for statistics in artificial intelligence?
Advances in Data Analysis and Classification 16, 823-846 (2022)
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Beate Jahn, Sarah Friedrich, Joachim Behnke, Joachim Engel, Ursula Garczarek, Ralf Münnich, Markus Pauly, Adalbert Wilhelm, Olaf Wolkenhauer, Markus Zwick, Uwe Siebert and Tim Friede
On the role of data, statistics and decisions in a pandemic
AStA Advances in Statistical Analysis 106, 349-382 (2022)
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Sarah Friedrich, Stefan Groß, Inke R. König, Sandy Engelhardt, Martin Bahls, Judith Heinz, Cynthia Huber, Lars Kaderali, Marcus Kelm, Andreas Leha, Jasmin Rühl, Jens Schaller, Clemens Scherer, Marcus Vollmer, Tim Seidler and Tim Friede
Applications of artificial intelligence/machine learning approaches in cardiovascular medicine: a systematic review with recommendations
European Heart Journal - Digital Health 2, 424-436 (2021)
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A correction has been published: European Heart Journal - Digital Health, Volume 3, Issue 1, March 2022, Pages 115–116, https://doi.org/10.1093/ehjdh/ztab098

Sarah Friedrich and Tim Friede
Causal inference methods for small non-randomized studies: methods and an application in COVID-19
Contemporary Clinical Trials 99, 106213 (2020)
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Andreas Knoll, Andrej Pal’a, Maria-Teresa Pedro, Ute Bäzner, Max Schneider, Ralph W. König, Christian Rainer Wirtz, Sarah Friedrich, Markus Pauly and Gregor Antoniadis
Clinical outcome after decompression of intraneural peroneal ganglion cyst and its morphologic correlation to postoperative nerve ultrasound
Journal of Neurosurgery 133, 233-239 (2020)
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Clive Ballard, Caroline Holm Nørgaard, Sarah Friedrich, Lina Steinrud Mørch, Thomas Gerds, Daniel Vega Møller, Lotte Bjerre Knudsen, Kajsa Kvist, Bernard Zinman, Ellen Holm, Christian Torp‐Pedersen and Charlotte Thim Hansen
Liraglutide and semaglutide: pooled post hoc analysis to evaluate risk of dementia in patients with type 2 diabetes
Alzheimer's & Dementia 16, e042909 (2020)
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Marc Ditzhaus and Sarah Friedrich
More powerful logrank permutation tests for two-sample survival data
Journal of Statistical Computation and Simulation 90, 2209-2227 (2020)
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Dennis Dobler, Sarah Friedrich and Markus Pauly
Nonparametric MANOVA in meaningful effects
Annals of the Institute of Statistical Mathematics 72, 997-1022 (2020)
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Daphne C. Voormolen, Marina Zeldovich, Juanita A. Haagsma, Suzanne Polinder, Sarah Friedrich, Andrew I. R. Maas, Lindsay Wilson, Ewout W. Steyerberg, Amra Covic, Nada Andelic, Anne Marie Plass, Yi-Jhen Wu, Thomas Asendorf and Nicole von Steinbüechel
Outcomes after complicated and uncomplicated mild traumatic brain injury at three-and six-months post-injury: results from the CENTER-TBI study
Journal of Clinical Medicine 9, 1525 (2020)
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Full author list includes the CENTER-TBI Participants Investigators. For complete list see publisher's website.

Amani Meaidi, Sarah Friedrich and Øjvind Lidegaard
Risk of surgical evacuation and risk of major surgery following second-trimester medical abortion in Denmark: a nationwide cohort study
Contraception 102, 201-206 (2020)
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Sarah Friedrich, Frank Konietschke and Markus Pauly
Resampling-based analysis of multivariate data and repeated measures designs with the R package MANOVA.RM
The R Journal 11, 380-400 (2019)
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Amani Meaidi, Sarah Friedrich, Thomas Alexander Gerds and Oejvind Lidegaard
Risk factors for surgical intervention of early medical abortion
American Journal of Obstetrics and Gynecology 220, 478.e1-478.e15 (2019)
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Sarah Friedrich and Markus Pauly
MATS: inference for potentially singular and heteroscedastic MANOVA
Journal of Multivariate Analysis 165, 166-179 (2018)
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Arne C. Bathke, Sarah Friedrich, Markus Pauly, Frank Konietschke, Wolfgang Staffen, Nicolas Strobl and Yvonne Höller
Testing mean differences among groups: multivariate and repeated measures analysis with minimal assumptions
Multivariate Behavioral Research 53, 348-359 (2018)
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Sarah Friedrich, Frank Konietschke and Markus Pauly
A wild bootstrap approach for nonparametric repeated measurements
Computational Statistics & Data Analysis 113, 38-52 (2017)
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Sarah Friedrich, Frank Konietschke and Markus Pauly
GFD: an R package for the analysis of general factorial designs
Journal of Statistical Software 79, 1-18 (2017)
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Sarah Friedrich, Jan Beyersmann, Ursula Winterfeld, Martin Schumacher and Arthur Allignol
Nonparametric estimation of pregnancy outcome probabilities
The Annals of Applied Statistics 11, 840-867 (2017)
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Sarah Friedrich
Permutation- and resampling-based inference for semi- and nonparametric effects in dependent data
(2017)
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Kumulative Diss., Universität Ulm, 2017

Sarah Friedrich, Edgar Brunner and Markus Pauly
Permuting longitudinal data in spite of the dependencies
Journal of Multivariate Analysis 153, 255-265 (2017)
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