Now showing items 1-4 of 4

    • A systematic survey on reporting and methods for handling missing participant data for continuous outcomes in randomized controlled trials 

      Zhang, Yuqing; Florez, Ivan D.; Colunga Lozano, Luis E.; Carrasco Labra, Alonso (Elsevier, 2017)
      Objective: To assess analytic approaches randomized controlled trial (RCT) authors use to address missing participant data (MPD) for patient-important continuous outcomes. Study Design and Setting: We conducted a ...
    • Hypnosis/Relaxation Therapy for Temporomandibular Disorders: A Systematic Review and Meta-Analysis of Randomized Controlled Trials 

      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 ...
    • Reporting missing participant data in randomised trials: systematic survey of the methodological literature and a proposed guide 

      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 ...
    • 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 ...