Search Results - "Eijkemans, Marinus J."

No rationale for 1 variable per 10 events criterion for binary logistic regression analysis by van Smeden, Maarten, de Groot, Joris A H, Moons, Karel G M, Collins, Gary S, Altman, Douglas G, Eijkemans, Marinus J C, Reitsma, Johannes B

“…Ten events per variable (EPV) is a widely advocated minimal criterion for sample size considerations in logistic regression analysis. Of three previous…”
Get full text

Sample size for binary logistic prediction models: Beyond events per variable criteria by van Smeden, Maarten, Moons, Karel GM, de Groot, Joris AH, Collins, Gary S, Altman, Douglas G, Eijkemans, Marinus JC, Reitsma, Johannes B

“…Binary logistic regression is one of the most frequently applied statistical approaches for developing clinical prediction models. Developers of such models…”
Get full text

Identifying multivariate disease trajectories and potential phenotypes of early knee osteoarthritis in the CHECK cohort by Altamirano, Sara, Jansen, Mylène P, Oberski, Daniel L, Eijkemans, Marinus J C, Mastbergen, Simon C, Lafeber, Floris P J G, van Spil, Willem E, Welsing, Paco M J

“…To gain better understanding of osteoarthritis (OA) heterogeneity and its predictors for distinguishing OA phenotypes. This could provide the opportunity to…”
Get full text

Predicting the Unpredictable: A New Prediction Model for Operating Room Times Using Individual Characteristics and the Surgeon's Estimate by EIJKEMANS, Marinus J. C, VAN HOUDENHOVEN, Mark, NGUYEN, Tien, BOERSMA, Eric, STEYERBERG, Ewout W, KAZEMIER, Geert

“…: Routine predictions made by surgeons or historical mean durations have only limited capacity to predict operating room (OR) time. The authors aimed to devise…”
Get full text

Consumer wearable devices for evaluation of heart rate control using digoxin versus beta-blockers: the RATE-AF randomized trial by Gill, Simrat K., Barsky, Andrey, Guan, Xin, Bunting, Karina V., Karwath, Andreas, Tica, Otilia, Stanbury, Mary, Haynes, Sandra, Folarin, Amos, Dobson, Richard, Kurps, Julia, Asselbergs, Folkert W., Grobbee, Diederick E., Camm, A. John, Eijkemans, Marinus J. C., Gkoutos, Georgios V., Kotecha, Dipak

“…Consumer-grade wearable technology has the potential to support clinical research and patient management. Here, we report results from the RATE-AF trial…”
Get full text

Pre-Conception Characteristics Predict Obstetrical and Neonatal Outcomes in Women With Polycystic Ovary Syndrome by Christ, Jacob P, Gunning, Marlise N, Meun, Cindy, Eijkemans, Marinus J C, van Rijn, Bas B, Bonsel, Gouke J, Laven, Joop S E, Fauser, Bart C J M

“…Women with polycystic ovary syndrome (PCOS) are at increased risk for obstetric and perinatal complications. At present, it is unknown how characteristics of…”
Get full text

Realizing a desired family size: when should couples start? by Habbema, J. Dik F., Eijkemans, Marinus J.C., Leridon, Henri, te Velde, Egbert R.

“…STUDY QUESTION Until what age can couples wait to start a family without compromising their chances of realizing the desired number of children? SUMMARY ANSWER…”
Get full text

Can Menopause Prediction Be Improved With Multiple AMH Measurements? Results From the Prospective Doetinchem Cohort Study by de Kat, Annelien C, van der Schouw, Yvonne T, Eijkemans, Marinus J C, Broer, Simone L, Verschuren, W M Monique, Broekmans, Frank J M

“…Abstract Context Anti-Müllerian hormone (AMH) levels are used worldwide as a screening tool for the duration of the female reproductive lifespan. Although AMH…”
Get full text

Treatment of Vulvar Intraepithelial Neoplasia with Topical Imiquimod by van Seters, Manon, van Beurden, Marc, ten Kate, Fiebo J.W, Beckmann, Ilse, Ewing, Patricia C, Eijkemans, Marinus J.C, Kagie, Marjolein J, Meijer, Chris J.M, Aaronson, Neil K, KleinJan, Alex, Heijmans-Antonissen, Claudia, Zijlstra, Freek J, Burger, Matthé P.M, Helmerhorst, Theo J.M

“…The efficacy of local treatment of vulvar intraepithelial neoplasia with imiquimod, an immune-response modifier, was tested in a double-blind, randomized…”
Get full text

The cardiovascular risk profile of middle age women previously diagnosed with premature ovarian insufficiency: A case-control study by Gunning, Marlise N, Meun, Cindy, van Rijn, Bas B, Daan, Nadine M P, Roeters van Lennep, Jeanine E, Appelman, Yolande, Boersma, Eric, Hofstra, Leonard, Fauser, Clemens G K M, Rueda-Ochoa, Oscar L, Ikram, Mohammad A, Kavousi, Maryam, Lambalk, Cornelis B, Eijkemans, Marinus J C, Laven, Joop S E, Fauser, Bart C J M

“…Cardiovascular disease (CVD) is the leading cause of death in women worldwide. The cardiovascular risk profile deteriorates after women enter menopause. By…”
Get full text

Exacerbated innate host response to SARS-CoV in aged non-human primates by Smits, Saskia L, de Lang, Anna, van den Brand, Judith M A, Leijten, Lonneke M, van IJcken, Wilfred F, Eijkemans, Marinus J C, van Amerongen, Geert, Kuiken, Thijs, Andeweg, Arno C, Osterhaus, Albert D M E, Haagmans, Bart L

“…The emergence of viral respiratory pathogens with pandemic potential, such as severe acute respiratory syndrome coronavirus (SARS-CoV) and influenza A H5N1,…”
Get full text

Milder ovarian stimulation for in-vitro fertilization reduces aneuploidy in the human preimplantation embryo: a randomized controlled trial by Baart, Esther B., Martini, Elena, Eijkemans, Marinus J., Van Opstal, Diane, Beckers, Nicole G.M., Verhoeff, Arie, Macklon, Nicolas S., Fauser, Bart C.J.M.

“…BACKGROUND To test whether ovarian stimulation for in-vitro fertilization (IVF) affects oocyte quality and thus chromosome segregation behaviour during meiosis…”
Get full text

Individual participant data meta‐analysis of intervention studies with time‐to‐event outcomes: A review of the methodology and an applied example by Jong, Valentijn M.T., Moons, Karel G.M., Riley, Richard D., Tudur Smith, Catrin, Marson, Anthony G., Eijkemans, Marinus J.C., Debray, Thomas P.A.

“…Many randomized trials evaluate an intervention effect on time‐to‐event outcomes. Individual participant data (IPD) from such trials can be obtained and…”
Get full text

Comparison of statistical methods for the analysis of recurrent adverse events in the presence of non-proportional hazards and unobserved heterogeneity: a simulation study by Patson, Noel, Mukaka, Mavuto, Kazembe, Lawrence, Eijkemans, Marinus J C, Mathanga, Don, Laufer, Miriam K, Chirwa, Tobias

“…In preventive drug trials such as intermittent preventive treatment for malaria prevention during pregnancy (IPTp), where there is repeated treatment…”
Get full text

Systematic review of statistical methods for safety data in malaria chemoprevention in pregnancy trials by Patson, Noel, Mukaka, Mavuto, Otwombe, Kennedy N, Kazembe, Lawrence, Mathanga, Don P, Mwapasa, Victor, Kabaghe, Alinune N, Eijkemans, Marinus J C, Laufer, Miriam K, Chirwa, Tobias

“…Drug safety assessments in clinical trials present unique analytical challenges. Some of these include adjusting for individual follow-up time, repeated…”
Get full text

Individual treatment effect estimation in the presence of unobserved confounding using proxies: a cohort study in stage III non-small cell lung cancer by van Amsterdam, Wouter A. C., Verhoeff, Joost. J. C., Harlianto, Netanja I., Bartholomeus, Gijs A., Puli, Aahlad Manas, de Jong, Pim A., Leiner, Tim, van Lindert, Anne S. R., Eijkemans, Marinus J. C., Ranganath, Rajesh

“…Randomized Controlled Trials (RCT) are the gold standard for estimating treatment effects but some important situations in cancer care require treatment effect…”
Get full text

A mild treatment strategy for in-vitro fertilisation: a randomised non-inferiority trial by Heijnen, Esther MEW, MD, Eijkemans, Marinus JC, PhD, De Klerk, Cora, MSc, Polinder, Suzanne, MSc, Beckers, Nicole GM, MD, Klinkert, Ellen R, MD, Broekmans, Frank J, MD, Passchier, Jan, Prof, Te Velde, Egbert R, Prof, Macklon, Nick S, Prof, Fauser, Bart CJM, Prof

“…Summary Background Mild in-vitro fertilisation (IVF) treatment might lessen both patients' discomfort and multiple births, with their associated risks. We…”
Get full text

The Ross Procedure : A Systematic Review and Meta-Analysis by TAKKENBERG, Johanna J. M, KLIEVERIK, Loes M. A, SCHOOF, Paul H, VAN SUYLEN, Robert-Jan, VAN HERWERDEN, Lex A, ZONDERVAN, Pieter E, ROOS-HESSELINK, Jolien W, EIJKEMANS, Marinus J. C, YACOUB, Magdi H, BOGERS, Ad. J. J. C

“…Reports on outcome after the Ross procedure are limited by small study size and show variable durability results. A systematic review of evidence on outcome…”
Get full text

Factors affecting the accuracy of a class prediction model in gene expression data by Novianti, Putri W, Jong, Victor L, Roes, Kit C B, Eijkemans, Marinus J C

“…Class prediction models have been shown to have varying performances in clinical gene expression datasets. Previous evaluation studies, mostly done in the…”
Get full text

Obesity affects spontaneous pregnancy chances in subfertile, ovulatory women by van der Steeg, Jan Willem, Steures, Pieternel, Eijkemans, Marinus J.C., Habbema, J. Dik F., Hompes, Peter G.A., Burggraaff, Jan M., Oosterhuis, G. Jur E., Bossuyt, Patrick M.M., van der Veen, Fulco, Mol, Ben W.J.

“…BACKGROUND Obesity is increasing rapidly among women all over the world. Obesity is a known risk factor for subfertility due to anovulation, but it is unknown…”
Get full text