Works matching AU Hilgers, Ralf-Dieter

Results: 70

Assessing the impact of selection bias on test decisions in trials with a time-to-event outcome.

Published in:

2017

By:

Rückbeil, Marcia Viviane;
Hilgers, Ralf‐Dieter;
Heussen, Nicole;
Rückbeil, Marcia Viviane;
Hilgers, Ralf-Dieter

Publication type:

journal article

Sleep apnoea in treated acromegaly: relative frequency and predisposing factors.

Published in:

Clinical Endocrinology, 1996, v. 45, n. 5, p. 563, doi. 10.1046/j.1365-2265.1996.00852.x

By:

Rosenow, Felix;
Reuter, Stefan;
Deuß, Ulrich;
Szelies, Brigitte;
Hilgers, Ralf-Dieter;
Winkelmann, Werner;
Heiss, Wolf-Dieter

Publication type:

Article

Zinc enhances the number of regulatory T cells in allergen-stimulated cells from atopic subjects.

Published in:

European Journal of Nutrition, 2017, v. 56, n. 2, p. 557, doi. 10.1007/s00394-015-1100-1

By:

Rosenkranz, Eva;
Hilgers, Ralf-Dieter;
Uciechowski, Peter;
Petersen, Arnd;
Plümäkers, Birgit;
Rink, Lothar

Publication type:

Article

Neue Wege in der biometrischen Ausbildung im Rahmen des Medizinstudiums -- individuelle Qualifikationsprofile.

Published in:

GMS Medizinische Informatik, Biometrie und Epidemiologie, 2008, v. 4, p. 1

By:

Heussen, Nicole;
Hilgers, Ralf-Dieter

Publication type:

Article

Longitudinal Analysis of Natural History Progression of Rare and Ultra‐Rare Cerebellar Ataxias Using Item Response Theory.

Published in:

Clinical Pharmacology & Therapeutics, 2024, v. 116, n. 6, p. 1593, doi. 10.1002/cpt.3466

By:

Hamdan, Alzahra;
Hendrickx, Niels;
Hooker, Andrew C.;
Chen, Xiaomei;
Comets, Emmanuelle;
Traschütz, Andreas;
Schüle, Rebecca;
Heussen, Nicole Maria;
Hilgers, Ralf‐Dieter;
Klockgether, Thomas;
Ryeznik, Yevgen;
Sverdlov, Oleksandr;
Mentré, France;
Synofzik, Matthis;
Karlsson, Mats O.

Publication type:

Article

The Volume Behavior of Autogenous Iliac Bone Grafts After Sinus Floor Elevation: A Clinical Pilot Study.

Published in:

Journal of Oral Implantology, 2015, v. 41, n. 3, p. 276, doi. 10.1563/AAID-JOI-D-13-00246

By:

Gerressen, Marcus;
Riediger, Dieter;
Hilgers, Ralf-Dieter;
Hölzle, Frank;
Noroozi, Nelson;
Ghassemi, Alireza

Publication type:

Article

Vitamin K1 to slow vascular calcification in haemodialysis patients (VitaVasK trial): a rationale and study protocol.

Published in:

Nephrology Dialysis Transplantation, 2014, v. 29, n. 9, p. 1633, doi. 10.1093/ndt/gft459

By:

Krueger, Thilo;
Schlieper, Georg;
Schurgers, Leon;
Cornelis, Tom;
Cozzolino, Mario;
Jacobi, Johannes;
Jadoul, Michel;
Ketteler, Markus;
Rump, Lars C.;
Stenvinkel, Peter;
Westenfeld, Ralf;
Wiecek, Andrzej;
Reinartz, Sebastian;
Hilgers, Ralf-Dieter;
Floege, Jürgen

Publication type:

Article

Risk factors for Pneumocystis jiroveci pneumonia (PcP) in renal transplant recipients.

Published in:

Nephrology Dialysis Transplantation, 2011, v. 26, n. 6, p. 2013, doi. 10.1093/ndt/gfq689

By:

Eitner, Frank;
Hauser, Ingeborg A.;
Rettkowski, Olaf;
Rath, Thomas;
Lopau, Kai;
Pliquett, Rainer U.;
Fiedler, Roman;
Guba, Markus;
Hilgers, Ralf-Dieter;
Floege, Jürgen;
Fischereder, Michael

Publication type:

Article

Testing the clinical value of multifocal electroretinography and microperimetry and the effects of intravitreal therapy with ranibizumab on macular function in the course of wet age-related macular degeneration: a 1-year prospective study.

Published in:

Clinical Ophthalmology, 2017, v. 11, p. 621, doi. 10.2147/OPTH.S123513

By:

Reinsberg, Mihaela;
Hilgers, Ralf-Dieter;
Lüdeke, Inger;
Nassar, Khaled;
Grisanti, Swaantje;
Grisanti, Salvatore;
Lüke, Julia;
Lüke, Matthias

Publication type:

Article

Primary vitrectomy for rhegmatogenous retinal detachment in pseudophakic eyes: 20-gauge versus 25-gauge vitrectomy.

Published in:

Acta Ophthalmologica (1755375X), 2016, v. 94, n. 8, p. 824, doi. 10.1111/aos.13133

By:

Süsskind, Daniela;
Neuhann, Irmingard;
Hilgers, Ralf ‐ Dieter;
Hagemann, Ulrike;
Szurman, Peter;
Bartz ‐ Schmidt, Karl Ulrich;
Aisenbrey, Sabine

Publication type:

Article

Scleral buckling versus primary vitrectomy in rhegmatogenous retinal detachment study (SPR study): Risk assessment of anatomical outcome. SPR study report no. 7.

Published in:

Acta Ophthalmologica (1755375X), 2013, v. 91, n. 3, p. 282, doi. 10.1111/j.1755-3768.2011.02344.x

By:

Feltgen, Nicolas;
Heimann, Heinrich;
Hoerauf, Hans;
Walter, Peter;
Hilgers, Ralf‐Dieter;
Heussen, Nicole

Publication type:

Article

Scleral buckling versus primary vitrectomy in rhegmatogenous retinal detachment study (SPR Study): Multiple-event analysis of risk factors for reoperations. SPR Study report no. 4.

Published in:

Acta Ophthalmologica (1755375X), 2011, v. 89, n. 7, p. 622, doi. 10.1111/j.1755-3768.2009.01766.x

By:

Heussen, Nicole;
Hilgers, Ralf-Dieter;
Heimann, Heinrich;
Collins, Lawrence;
Grisanti, Salvatore

Publication type:

Article

Heavy silicone oil versus standard silicone oil in as vitreous tamponade in inferior PVR (HSO Study): interim analysis.

Published in:

Acta Ophthalmologica (1755375X), 2011, v. 89, n. 6, p. e483, doi. 10.1111/j.1755-3768.2011.02139.x

By:

Joussen, Antonia M.;
Rizzo, Stanislao;
Kirchhof, Bernd;
Schrage, Norbert;
Li, Xiaoxin;
Lente, Christina;
Hilgers, Ralf-Dieter

Publication type:

Article

Istore: a project on innovative statistical methodologies to improve rare diseases clinical trials in limited populations.

Published in:

Orphanet Journal of Rare Diseases, 2024, v. 19, n. 1, p. 1, doi. 10.1186/s13023-024-03103-2

By:

Schoenen, Stefanie;
Verbeeck, Johan;
Koletzko, Lukas;
Brambilla, Isabella;
Kuchenbuch, Mathieu;
Dirani, Maya;
Zimmermann, Georg;
Dette, Holger;
Hilgers, Ralf-Dieter;
Molenberghs, Geert;
Nabbout, Rima

Publication type:

Article

Composite endpoints, including patient reported outcomes, in rare diseases.

Published in:

Orphanet Journal of Rare Diseases, 2023, v. 18, n. 1, p. 1, doi. 10.1186/s13023-023-02819-x

By:

Verbeeck, Johan;
Dirani, Maya;
Bauer, Johann W.;
Hilgers, Ralf-Dieter;
Molenberghs, Geert;
Nabbout, Rima

Publication type:

Article

A roadmap to using randomization in clinical trials.

Published in:

2021

By:

Berger, Vance W.;
Bour, Louis Joseph;
Carter, Kerstine;
Chipman, Jonathan J.;
Everett, Colin C.;
Heussen, Nicole;
Hewitt, Catherine;
Hilgers, Ralf-Dieter;
Luo, Yuqun Abigail;
Renteria, Jone;
Ryeznik, Yevgen;
Sverdlov, Oleksandr;
Uschner, Diane;
for the Randomization Innovative Design Scientific Working Group;
Beckman, Robert A;
Randomization Innovative Design Scientific Working Group

Publication type:

journal article

Intraoperative Retinal Break Formation in 23-/25-Gauge Vitrectomy versus 20-Gauge Vitrectomy.

Published in:

Ophthalmologica, 2012, v. 229, n. 1, p. 50, doi. 10.1159/000343710

By:

Neuhann, Irmingard M.;
Hilgers, Ralf-Dieter;
Bartz-Schmidt, Karl-Ulrich

Publication type:

Article

Estimating the reliability of repeatedly measured endpoints based on linear mixed-effects models. A tutorial.

Published in:

Pharmaceutical Statistics, 2016, v. 15, n. 6, p. 486, doi. 10.1002/pst.1787

By:

Van der Elst, Wim;
Molenberghs, Geert;
Hilgers, Ralf‐Dieter;
Verbeke, Geert;
Heussen, Nicole

Publication type:

Article

Renal outcomes of STOP-IgAN trial patients in relation to baseline histology (MEST-C scores).

Published in:

2018

By:

Schimpf, Judith Isabel;
Klein, Till;
Fitzner, Christina;
Eitner, Frank;
Porubsky, Stefan;
Hilgers, Ralf-Dieter;
Floege, Jürgen;
Groene, Hermann-Josef;
Rauen, Thomas

Publication type:

journal article

A prospective cluster trial to increase antibiotic prescription quality in seven non-ICU wards.

Published in:

GMS Hygiene & Infection Control, 2023, v. 18, p. 1, doi. 10.3205/dgkh000440

By:

Scheithauer, Simone;
Karasimos, Britta;
Manamayil, David;
Häfner, Helga;
Lewalter, Karl;
Mischke, Karl;
Heintz, Bernhard;
Tacke, Frank;
Brücken, David;
Lüring, Christian;
Heidenhain, Christoph;
Tewarie, Lachmandath;
Hilgers, Ralf-Dieter;
Lemmen, Sebastian W.

Publication type:

Article

The impact of selection bias in randomized multi-arm parallel group clinical trials.

Published in:

PLoS ONE, 2018, v. 13, n. 1, p. 1, doi. 10.1371/journal.pone.0192065

By:

Uschner, Diane;
Hilgers, Ralf-Dieter;
Heussen, Nicole

Publication type:

Article

The randomized shortened dental arch study: influence of two different treatments on interdental spacing over 5 years.

Published in:

Clinical Oral Investigations, 2017, v. 21, n. 6, p. 1945, doi. 10.1007/s00784-016-1981-2

By:

Kern, Jaana-Sophia;
Wolfart, Stefan;
Hilgers, Ralf-Dieter;
Marré, Birgit;
Scheller, Herbert;
Strub, Jörg;
Böning, Klaus;
Hannak, Wolfgang;
Luthardt, Ralph;
Heydecke, Guido;
Huppertz, Jan;
Pospiech, Peter;
Wöstmann, Bernd;
Stark, Helmut;
Mundt, Torsten;
Jahn, Florentine;
Kern, Matthias;
Edelhoff, Daniel;
Walter, Michael

Publication type:

Article

Plaque surface area after rinsing with a low-level fluoride-containig Darjeeling tea.

Published in:

European Journal of Oral Sciences, 1995, v. 103, n. 6, p. 416, doi. 10.1111/j.1600-0722.1995.tb01867.x

By:

Attin, Thomas;
Hilgers, Ralf-Dieter;
Zimmermann, Christian;
Kielbassa, Andrej Michael;
Hellwig, Elmar

Publication type:

Article

Methodological insights from the EPISTOP trial to designing clinical trials in rare diseases—A secondary analysis of a randomized clinical trial.

Published in:

PLoS ONE, 2024, v. 19, n. 12, p. 1, doi. 10.1371/journal.pone.0312936

By:

Wied, Stephanie;
Hilgers, Ralf-Dieter;
Heussen, Nicole;
Kotulska, Katarzyna;
Dirani, Maya;
Kuchenbuch, Mathieu;
Jozwiak, Sergiusz;
Nabbout, Rima

Publication type:

Article

Significant Reduction of External Ventricular Drainage-Associated Meningoventriculitis by Chlorhexidine-Containing Dressings: A Before-After Trial.

Published in:

2016

By:

Scheithauer, Simone;
Schulze-Steinen, Henna;
Höllig, Anja;
Lopez-Gonzalez, Luis;
Hilgers, Ralf-Dieter;
Reinges, Marcus H. T.;
Marx, Gernot;
Lemmen, Sebastian

Publication type:

Letter to the Editor

Zinc supplementation induces regulatory T cells by inhibition of Sirt-1 deacetylase in mixed lymphocyte cultures.

Published in:

Molecular Nutrition & Food Research, 2016, v. 60, n. 3, p. 661, doi. 10.1002/mnfr.201500524

By:

Rosenkranz, Eva;
Metz, Claudia H.D.;
Maywald, Martina;
Hilgers, Ralf‐Dieter;
Weßels, Inga;
Senff, Tina;
Haase, Hajo;
Jäger, Maximilian;
Ott, Melanie;
Aspinall, Richard;
Plümäkers, Birgit;
Rink, Lothar

Publication type:

Article

Directions for new developments on statistical design and analysis of small population group trials.

Published in:

2016

By:

Hilgers, Ralf-Dieter;
Roes, Kit;
Stallard, Nigel;
IDeAl, Asterix and InSPiRe project groups

Publication type:

journal article

The impact of selection bias on test decisions in randomized clinical trials.

Published in:

Statistics in Medicine, 2011, v. 30, n. 21, p. 2573, doi. 10.1002/sim.4279

By:

Lieven Nils Kennes;
Cramer, Erhard;
Hilgers, Ralf-Dieter;
Heussen, Nicole

Publication type:

Article

Comparison of two different concepts of mesh and fixation technique in laparoscopic ventral hernia repair: a randomized controlled trial.

Published in:

2016

By:

Pawlak, Maciej;
Hilgers, Ralf-Dieter;
Bury, Kamil;
Lehmann, Andrzej;
Owczuk, Radosław;
Śmietański, Maciej

Publication type:

journal article

A-Optimal Designs for Two-Color Microarray Experiments for Treatment-Control and All-to-Next Contrasts.

Published in:

Communications in Statistics: Simulation & Computation, 2012, v. 41, n. 7, p. 1142, doi. 10.1080/03610918.2012.625836

By:

Schiffl, Katharina;
Hilgers, Ralf-Dieter

Publication type:

Article

Choice of the Reference Set in a Randomization Test Based on Linear Ranks in the Presence of Missing Values.

Published in:

Communications in Statistics: Simulation & Computation, 2012, v. 41, n. 7, p. 1051, doi. 10.1080/03610918.2012.625797

By:

Kennes, LievenNils;
Hilgers, Ralf-Dieter;
Heussen, Nicole

Publication type:

Article

Possible Implications of MCAM Expression in Metastasis and Non-Metastatic of Primary Uveal Melanoma Patients.

Published in:

Current Eye Research, 2009, v. 34, n. 11, p. 1004, doi. 10.3109/02713680903262205

By:

Beutel, Julia;
Wegner, Jürgen;
Wegner, Rayime;
Ziemssen, Focke;
Nassar, Khaled;
Rohrbach, Jens Martin;
Hilgers, Ralf- Dieter;
Lüke, Matthias;
Grisanti, Salvatore

Publication type:

Article

Randomization in survival studies: An evaluation method that takes into account selection and chronological bias.

Published in:

PLoS ONE, 2019, v. 14, n. 6, p. 1, doi. 10.1371/journal.pone.0217946

By:

Rückbeil, Marcia Viviane;
Hilgers, Ralf-Dieter;
Heussen, Nicole

Publication type:

Article

Telemedical support for prehospital Emergency Medical Service (TEMS trial): study protocol for a randomized controlled trial.

Published in:

2017

By:

Stevanovic, Ana;
Beckers, Stefan Kurt;
Czaplik, Michael;
Bergrath, Sebastian;
Coburn, Mark;
Brokmann, Jörg Christian;
Hilgers, Ralf-Dieter;
Rossaint, Rolf;
TEMS Collaboration Group

Publication type:

journal article

Design and analysis of stratified clinical trials in the presence of bias.

Published in:

2020

By:

Hilgers, Ralf-Dieter;
Manolov, Martin;
Heussen, Nicole;
Rosenberger, William F

Publication type:

journal article

Single versus dual blockade of the renin-angiotensin system in patients with IgA nephropathy.

Published in:

Journal of Nephrology (JNonline), 2020, v. 33, n. 6, p. 1231, doi. 10.1007/s40620-020-00836-8

By:

Lennartz, David Paul;
Seikrit, Claudia;
Wied, Stephanie;
Fitzner, Christina;
Eitner, Frank;
Hilgers, Ralf-Dieter;
Rauen, Thomas;
Floege, Jürgen

Publication type:

Article

Supportive Versus Immunosuppressive Therapy of Progressive IgA Nephropathy (STOP) IgAN trial: rationale and study protocol.

Published in:

Journal of Nephrology (JNonline), 2008, v. 21, n. 3, p. 284

By:

Eitner, Frank;
Ackermann, Diana;
Hilgers, Ralf-Dieter;
Floege, Jürgen

Publication type:

Article

Confidence interval comparison: Precision of maximum likelihood estimates in LLOQ affected data.

Published in:

PLoS ONE, 2023, v. 18, n. 11, p. 1, doi. 10.1371/journal.pone.0293640

By:

Bülow, Tanja;
Hilgers, Ralf-Dieter;
Heussen, Nicole

Publication type:

Article

Characteristics and outcomes of older patients undergoing out‐ versus inpatient surgery in Europe. A secondary analysis of the Peri‐interventional Outcome Study in the Elderly (POSE).

Published in:

Acta Anaesthesiologica Scandinavica, 2025, v. 69, n. 4, p. 1, doi. 10.1111/aas.70021

By:

Grüßer, Linda;
Coburn, Mark;
Schmid, Matthias;
Rossaint, Rolf;
Ziemann, Sebastian;
Kowark, Ana;
Schenk, Alina;
Hilgers, Ralf‐Dieter;
Bilotta, Federico;
Bollheimer, Leo C;
Buhre, Wolfgang;
Guenther, Ulf;
Hoeft, Andreas;
Lee, Peter;
Matot, Idit;
Rex, Steffen;
Steinmetz, Jacob;
Tournoy, Jos;
Alanoglu, Zekeriyya;
Berger, Marc M

Publication type:

Article

ERDO - a framework to select an appropriate randomization procedure for clinical trials.

Published in:

2017

By:

Hilgers, Ralf-Dieter;
Uschner, Diane;
Rosenberger, William F.;
Heussen, Nicole

Publication type:

journal article

Laterally closed tunnel technique with and without adjunctive photobiomodulation therapy for the management of isolated gingival recession—a randomized controlled assessor-blinded clinical trial.

Published in:

Lasers in Medical Science, 2022, v. 37, n. 3, p. 1625, doi. 10.1007/s10103-021-03411-0

By:

Lavu, Vamsi;
Gutknecht, Norbert;
Vasudevan, Amrutha;
S.K, Balaji;
Hilgers, Ralf-Dieter;
Franzen, Rene

Publication type:

Article

Laser-assisted in-office bleaching using a neodymium:yttrium-aluminum-garnet laser: an in vivo study.

Published in:

2010

By:

Strobl, Andrea;
Gutknecht, Norbert;
Franzen, René;
Hilgers, Ralf-Dieter;
Lampert, Friedrich;
Meister, Jörg;
Franzen, René;
Meister, Jörg

Publication type:

journal article

Observations below multiple lower limits of quantification: How to estimate the mean and variance.

Published in:

Biometrical Journal, 2019, v. 61, n. 5, p. 1258, doi. 10.1002/bimj.201700293

By:

Berger, Tanja;
Hilgers, Ralf‐Dieter;
Heussen, Nicole

Publication type:

Article

Combined Tin-Containing Fluoride Solution and CO2 Laser Treatment Reduces Enamel Erosion in vitro.

Published in:

2016

By:

Esteves-Oliveira, Marcella;
Witulski, Nadine;
Hilgers, Ralf-Dieter;
apel, Christian;
Meyer-Lueckel, Hendrik;
de Paula Eduardo, Carlos

Publication type:

journal article

Importance of a Conserved Sequence Motif in Transmembrane Segment S3 for the Gating of Human TRPM8 and TRPM2.

Published in:

PLoS ONE, 2012, v. 7, n. 11, p. 1, doi. 10.1371/journal.pone.0049877

By:

Winking, Mathis;
Hoffmann, Daniel C.;
Kühn, Cornelia;
Hilgers, Ralf-Dieter;
Lückhoff, Andreas;
Kühn, Frank J. P.

Publication type:

Article

Inference for Blocked Randomization under a Selection Bias Model.

Published in:

Biometrics, 2015, v. 71, n. 4, p. 979, doi. 10.1111/biom.12334

By:

Kennes, Lieven N.;
Rosenberger, William F.;
Hilgers, Ralf‐Dieter

Publication type:

Article

Multi-stakeholder sessions on major innovation topics in rare disease clinical trials.

Published in:

Orphanet Journal of Rare Diseases, 2024, v. 19, n. 1, p. 1, doi. 10.1186/s13023-024-03482-6

By:

Bodden, Daniel;
Schoenen, Stefanie;
Wied, Stephanie;
Verbeeck, Johan;
Dirani, Maya;
Abou Daya, Hiba;
Heussen, Nicole;
Molenberghs, Geert;
Hilgers, Ralf-Dieter;
Nabbout, Rima

Publication type:

Article

Innovative methodologies for rare diseases clinical trials.

Published in:

Orphanet Journal of Rare Diseases, 2024, v. 19, n. 1, p. 1, doi. 10.1186/s13023-024-03189-8

By:

Nabbout, Rima;
Hilgers, Ralf-Dieter

Publication type:

Article

Intrathoracic versus Cervical Anastomosis after Resection of Esophageal Cancer: A matched pair analysis of 72 patients in a single center study.

Published in:

World Journal of Surgical Oncology, 2012, v. 10, n. 1, p. 159, doi. 10.1186/1477-7819-10-159

By:

Klink, Christian D.;
Binnebösel, Marcel;
Otto, Jens;
Boehm, Gabriele;
von Trotha, Klaus T.;
Hilgers, Ralf-Dieter;
Conze, Joachim;
Neumann, Ulf P.;
Jansen, Marc

Publication type:

Article

Scleral buckling versus primary vitrectomy in rhegmatogenous retinal detachment study (SPR Study): predictive factors for functional outcome. Study report no. 6.

Published in:

Graefe's Archive of Clinical & Experimental Ophthalmology, 2011, v. 249, n. 8, p. 1129, doi. 10.1007/s00417-011-1619-7

By:

Heussen, Nicole;
Feltgen, Nicolas;
Walter, Peter;
Hoerauf, Hans;
Hilgers, Ralf-Dieter;
Heimann, Heinrich

Publication type:

Article