Browsing by Author "Ebrahim, Shanil"

Now showing items 1-8 of 8

    • Completion and Publication Rates of Randomized Controlled Trials in Surgery An Empirical Study 
      Rosenthal, Rachel; Kasenda, Benjamin; Dell-Kuster, Salome; Elm, Erik von; You, John; Bluemle, Anette; Tomonaga, Yuki; Saccilotto, Ramón; Amstutz, Alain; Bengough, Theresa; Meerpohl, Joerg J.; Stegert, Mihaela; Tikkinen, Kari A. O.; Neumann, Ignacio; Carrasco Labra, Alonso; Faulhaber, Markus; Sohail, Mulla; Mertz, Dominik; Akl, Elie A.; Bassler, Dirk; Busse, Jason W.; Ferreira González, Ignacio; Lamontagne, Francois; Nordmann, Alain; Gloy, Viktoria; Olu, Kelechi K.; Raatz, Heike; Moja, Lorenzo; Ebrahim, Shanil; Schandelmaier, Stefan; Sun, Xin; Vandvik, Per O.; Bradley C., Johnston; Walter, Martin A.; Burnand, Bernard; Schwenkglenks, Matthias; Hemkens, Lars G.; Bucher, Heiner C.; Guyatt, Gordon H.; Briel, Matthias (Lippicott Williams & Wilkins, 2015)
      Objective: To investigate the prevalence of discontinuation and nonpublication of surgical versus medical randomized controlled trials (RCTs) and to explore risk factors for discontinuation and nonpublication of surgical ...
    • Hypnosis/Relaxation Therapy for Temporomandibular Disorders: A Systematic Review and Meta-Analysis of ... 
      Zhang, Yuqing; Montoya, Luis; Ebrahim, Shanil; Busse, Jason W.; Couban, Rachel; McCabe, Randi E.; Bieling, Peter; Carrasco Labra, Alonso; Guyatt, Gordon H. (QUINTESSENCE PUBLISHING, 2015)
      Aims: To conduct a systematic review and meta-analysis to evaluate the effectiveness of hypnosis/relaxation therapy compared to no/minimal treatment in patients with temporomandibular disorders (TMD). Methods: Studies ...
    • Minimally important difference estimates and methods: a protocol 
      Johnston, Bradley C.; Ebrahim, Shanil; Carrasco Labra, Alonso; Furukawa, Toshi A.; Patrick, Donald L.; Crawford, Mark W.; Hemmelgarn, Brenda R.; Schunemann, Holger J.; Guyatt, Gordon H.; Nesrallah, Gihad (BMJ Publishing Group, 2015)
      Introduction Patient-reported outcomes (PROs) are often the outcomes of greatest importance to patients. The minimally important difference (MID) provides a measure of the smallest change in the PRO that patients perceive ...
    • Premature Discontinuation of Randomized Trials in Critical and Emergency Care: A Retrospective Cohort Study 
      Schandelmaier, Stefan; Elm, Erik von; You, John J.; Bluemle, Anette; Tomonaga, Yuki; Lamontagne, Francois; Saccilotto, Ramón; Amstutz, Alain; Bengough, Theresa; Meerpohl, Joerg J.; Stegert, Mihaela; Olu, Kelechi K.; Tikkinen, Kari A. O.; Neumann, Ignacio; Carrasco Labra, Alonso; Faulhaber, Markus; Mulla, Sohail M.; Mertz, Dominik; Akl, Elie A.; Sun, Xin; Bassler, Dirk; Busse, Jason W.; Ferreira González, Ignacio; Nordmann, Alain; Gloy, Viktoria; Raatz, Heike; Moja, Lorenzo; Rosenthal, Rachel; Ebrahim, Shanil; Vandvik, Per O.; Johnston, Bradley C.; Walter, Martin A.; Burnand, Bernard; Schwenkglenks, Matthias; Hemkens, Lars G.; Cook, Deborah J.; Meade, Maureen O.; Bucher, Heiner C.; Kasenda, Benjamin; Briel, Matthias (Lippicott Williams & Wilkins, 2016)
      Objectives: Randomized clinical trials that enroll patients in critical or emergency care (acute care) setting are challenging because of narrow time windows for recruitment and the inability of many patients to provide ...
    • Prevalence, Characteristics, and Publication of Discontinued Randomized Trials 
      Kasenda, Benjamin; Von Elm, Erik; You, John; Blümle, Anette; Tomonaga, Yuki; Saccilotto, Ramón; Amstutz, Alain; Bengough, Theresa; Meerpohl, Joerg J.; Stegert, Mihaela; Tikkinen, Kari A. O.; Neumann, Ignacio; Carrasco Labra, Alonso; Faulhaber, Markus; Mulla, Sohail M.; Mertz, Dominik; Akl, Elie A.; Bassler, Dirk; Busse, Jason W.; Ferreira González, Ignacio; Lamontagne, Francois; Nordmann, Alain; Gloy, Viktoria; Raatz, Heike; Moja, Lorenzo; Rosenthal, Rachel; Ebrahim, Shanil; Schandelmaier, Stefan; Xin, Sun; Vandvik, Per O.; Johnston, Bradley C.; Walter, Martin A.; Burnand, Bernard; Schwenkglenks, Matthias; Hemkens, Lars G.; Bucher, Heiner C.; Guyatt, Gordon H.; Briel, Matthias (American Medical Association., 2014)
      IMPORTANCE The discontinuation of randomized clinical trials (RCTs) raises ethical concerns and often wastes scarce research resources. The epidemiology of discontinued RCTs, however, remains unclear. OBJECTIVES To ...
    • Reporting missing participant data in randomised trials: systematic survey of the methodological literature ... 
      Akl, Elie A; Shawwa, Khaled; Kahale, Lara A.; Agoritsas, Thomas; Brignardello Petersen, Romina; Busse, Jason W.; Carrasco Labra, Alonso; Ebrahim, Shanil; Johnston, Bradley C.; Neumann, Ignacio; Solà, Iván; Sun, Xin; Vandvik, Per; Zhang, Yuqing; Alonso Coello, Pablo; Guyatt, Gordon H. (BMJ Publishing Group, 2015)
      Objectives We conducted a systematic survey of the methodological literature to identify recommended approaches for how and what randomised clinical trial (RCT) authors should report on missing participant data and, on the ...
    • Reporting, handling and assessing the risk of bias associated with missing participant data in systematic ... 
      Akl, Elie A.; Carrasco Labra, Alonso; Brignardello Petersen, Romina; Neumann, Ignacio; Johnston, Bradley C.; Sun, Xin; Briel, Matthias; Busse, Jason W.; Ebrahim, Shanil; Granados, Carlos E.; Iorio, Alfonso; Irfan, Affan; Martínez García, Laura; Mustafa, Reem A.; Ramírez Morera, Anggie; Selva, Anna; Solà, Iván; Sanabria, Andrea Juliana; Tikkinen, Kari A. O.; Vandvik, Per O.; Vernooij, Robin W. M.; Zazueta, Oscar E.; Zhou, Qi; Guyatt, Gordon H.; Alonso Coello, Pablo (BMJ, 2015)
      Objectives: To describe how systematic reviewers are reporting missing data for dichotomous outcomes, handling them in the analysis and assessing the risk of associated bias. Methods: We searched MEDLINE and the Cochrane ...
    • Systematic reviews experience major limitations in reporting absolute effects 
      Alonso Coello, Pablo; Carrasco Labra, Alonso; Brignardello Petersen, Romina; Neumann, Ignacio; Akl, Elie; Vernooij, Robin; Johnston, Brad; Sun, Xin; Briel, Matthias; Busse, Jason; Ebrahim, Shanil; Granados, Carlos; Iorio, Alfonso; Irfan, Affan; Martínez García, Laura; Mustafa, Reem; Ramírez Morers, Anggie; Selva, Anna; Solà, Iván; Sanabria, Andrea; Tikkinen, Kari; Vandvik, Per; Zazueta, Oscar; Zhang, Yuqing; Zhou, Qi; Schünemann, Holger; Guyatt, Gordon H. (Elsevier, 2016)
      Objectives: Expressing treatment effects in relative terms yields larger numbers than expressions in absolute terms, affecting the judgment of the clinicians and patients regarding the treatment options. It is uncertain ...