The GRADE Working Group clarifies the construct of certainty of evidence von Hultcrantz, Monica, Rind, David, Akl, Elie A, Treweek, Shaun, Mustafa, Reem A, Iorio, Alfonso, Alper, Brian S, Meerpohl, Joerg J, Murad, M Hassan, Ansari, Mohammed T, Katikireddi, Srinivasa Vittal, Östlund, Pernilla, Tranæus, Sofia, Christensen, Robin, Gartlehner, Gerald, Brozek, Jan, Izcovich, Ariel, Schünemann, Holger, Guyatt, Gordon

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Safe Cholecystectomy Multi-society Practice Guideline and State of the Art Consensus Conference on Prevention of Bile Duct Injury During Cholecystectomy von Brunt, L. Michael, Deziel, Daniel J., Telem, Dana A., Strasberg, Steven M., Aggarwal, Rajesh, Asbun, Horacio, Bonjer, Jaap, McDonald, Marian, Alseidi, Adnan, Ujiki, Mike, Riall, Taylor S., Hammill, Chet, Moulton, Carol-Anne, Pucher, Philip H., Parks, Rowan W., Ansari, Mohammed T., Connor, Saxon, Dirks, Rebecca C., Anderson, Blaire, Altieri, Maria S., Tsamalaidze, Levan, Stefanidis, Dimitrios

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The incidence and prevalence of delirium across palliative care settings: A systematic review von Watt, Christine L, Momoli, Franco, Ansari, Mohammed T, Sikora, Lindsey, Bush, Shirley H, Hosie, Annmarie, Kabir, Monisha, Rosenberg, Erin, Kanji, Salmaan, Lawlor, Peter G

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Neurological and psychiatric adverse effects of long-term methylphenidate treatment in ADHD: A map of the current evidence von Krinzinger, Helga, Hall, Charlotte L, Groom, Madeleine J, Ansari, Mohammed T, Banaschewski, Tobias, Buitelaar, Jan K, Carucci, Sara, Coghill, David, Danckaerts, Marina, Dittmann, Ralf W, Falissard, Bruno, Garas, Peter, Inglis, Sarah K, Kovshoff, Hanna, Kochhar, Puja, McCarthy, Suzanne, Nagy, Peter, Neubert, Antje, Roberts, Samantha, Sayal, Kapil, Sonuga-Barke, Edmund, Wong, Ian C K, Xia, Jun, Zuddas, Alessandro, Hollis, Chris, Konrad, Kerstin, Liddle, Elizabeth B

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Methods for Developing Evidence Reviews in Short Periods of Time: A Scoping Review von Abou-Setta, Ahmed M, Jeyaraman, Maya, Attia, Abdelhamid, Al-Inany, Hesham G, Ferri, Mauricio, Ansari, Mohammed T, Garritty, Chantelle M, Bond, Kenneth, Norris, Susan L

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Biological plausibility in environmental health systematic reviews: a GRADE concept paper von Whaley, Paul, Piggott, Thomas, Morgan, Rebecca L., Hoffmann, Sebastian, Tsaioun, Katya, Schwingshackl, Lukas, Ansari, Mohammed T., Thayer, Kristina A., Schünemann, Holger J.

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Surgical approach to microwave and radiofrequency liver ablation for hepatocellular carcinoma and colorectal liver metastases less than 5 cm: a systematic review and meta-analysis von Abdalla, Moustafa, Collings, Amelia T., Dirks, Rebecca, Onkendi, Edwin, Nelson, Daniel, Ozair, Ahmad, Miraflor, Emily, Rahman, Faique, Whiteside, Jake, Shah, Mihir M., Ayloo, Subhashini, Abou-Setta, Ahmed, Sucandy, Iswanto, Kchaou, Ali, Douglas, Samuel, Polanco, Patricio, Vreeland, Timothy, Buell, Joseph, Ansari, Mohammed T., Pryor, Aurora D., Slater, Bethany J., Awad, Ziad, Richardson, William, Alseidi, Adnan, Jeyarajah, D. Rohan, Ceppa, Eugene

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Grading quality of evidence and strength of recommendations: a perspective von Ansari, Mohammed T, Tsertsvadze, Alexander, Moher, David

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Inter-rater reliability and validity of risk of bias instrument for non-randomized studies of exposures: a study protocol von Jeyaraman, Maya M, Al-Yousif, Nameer, Robson, Reid C, Copstein, Leslie, Balijepalli, Chakrapani, Hofer, Kimberly, Fazeli, Mir S, Ansari, Mohammed T, Tricco, Andrea C, Rabbani, Rasheda, Abou-Setta, Ahmed M

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Inter-rater reliability and concurrent validity of ROBINS-I: protocol for a cross-sectional study von Jeyaraman, Maya M, Rabbani, Rasheda, Al-Yousif, Nameer, Robson, Reid C, Copstein, Leslie, Xia, Jun, Pollock, Michelle, Mansour, Samer, Ansari, Mohammed T, Tricco, Andrea C, Abou-Setta, Ahmed M

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Predicting Outcomes From Radical Radiotherapy for Non-small Cell Lung Cancer: A Systematic Review of the Existing Literature von Walls, Gerard M, Hanna, Gerard G, Qi, Fang, Zhao, Sai, Xia, Jun, Ansari, Mohammed T, Landau, David

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Correction: Methods for Developing Evidence Reviews in Short Periods of Time: A Scoping Review von Abou-Setta, Ahmed M, Jeyaraman, Maya M, Attia, Abdelhamid, Al-Inany, Hesham G, Ferri, Mauricio, Ansari, Mohammed T, Garritty, Chantelle M, Bond, Kenneth, Norris, Susan L

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GRADE guidelines: 21 part 2. Test accuracy: inconsistency, imprecision, publication bias, and other domains for rating the certainty of evidence and presenting it in evidence profi... von Schünemann, Holger J., Mustafa, Reem A., Brozek, Jan, Steingart, Karen R., Leeflang, Mariska, Murad, Mohammad Hassan, Bossuyt, Patrick, Glasziou, Paul, Jaeschke, Roman, Lange, Stefan, Meerpohl, Joerg, Langendam, Miranda, Hultcrantz, Monica, Vist, Gunn E., Akl, Elie A., Helfand, Mark, Santesso, Nancy, Hooft, Lotty, Scholten, Rob, Rosen, Måns, Rutjes, Anne, Crowther, Mark, Muti, Paola, Raatz, Heike, Ansari, Mohammed T., Williams, John, Kunz, Regina, Harris, Jeff, Rodriguez, Ingrid Arévalo, Kohli, Mikashmi, Guyatt, Gordon H.

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GRADE guidelines: 21 part 1. Study design, risk of bias, and indirectness in rating the certainty across a body of evidence for test accuracy von Schünemann, Holger J., Mustafa, Reem A., Brozek, Jan, Steingart, Karen R., Leeflang, Mariska, Murad, Mohammad Hassan, Bossuyt, Patrick, Glasziou, Paul, Jaeschke, Roman, Lange, Stefan, Meerpohl, Joerg, Langendam, Miranda, Hultcrantz, Monica, Vist, Gunn E., Akl, Elie A., Helfand, Mark, Santesso, Nancy, Hooft, Lotty, Scholten, Rob, Rosen, Måns, Rutjes, Anne, Crowther, Mark, Muti, Paola, Raatz, Heike, Ansari, Mohammed T., Williams, John, Kunz, Regina, Harris, Jeff, Rodriguez, Ingrid Arévalo, Kohli, Mikashmi, Guyatt, Gordon H.

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Effectiveness of terbutaline pump for the prevention of preterm birth. A systematic review and meta-analysis von Gaudet, Laura M, Singh, Kavita, Weeks, Laura, Skidmore, Becky, Tsertsvadze, Alexander, Ansari, Mohammed T

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ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions von Sterne, Jonathan AC, Hernán, Miguel A, Reeves, Barnaby C, Savović, Jelena, Berkman, Nancy D, Viswanathan, Meera, Henry, David, Altman, Douglas G, Ansari, Mohammed T, Boutron, Isabelle, Carpenter, James R, Chan, An-Wen, Churchill, Rachel, Deeks, Jonathan J, Hróbjartsson, Asbjørn, Kirkham, Jamie, Jüni, Peter, Loke, Yoon K, Pigott, Theresa D, Ramsay, Craig R, Regidor, Deborah, Rothstein, Hannah R, Sandhu, Lakhbir, Santaguida, Pasqualina L, Schünemann, Holger J, Shea, Beverly, Shrier, Ian, Tugwell, Peter, Turner, Lucy, Valentine, Jeffrey C, Waddington, Hugh, Waters, Elizabeth, Wells, George A, Whiting, Penny F, Higgins, Julian PT

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Perioperative Diastolic Dysfunction in Patients Undergoing Noncardiac Surgery Is an Independent Risk Factor for Cardiovascular Events: A Systematic Review and Meta-analysis von Fayad, Ashraf, Ansari, Mohammed T, Yang, Homer, Ruddy, Terrence, Wells, George A

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Corrigendum: Predicting Outcomes From Radical Radiotherapy for Non-small Cell Lung Cancer: A Systematic Review of the Existing Literature von Walls, Gerard M, Hanna, Gerard G, Qi, Fang, Zhao, Sai, Xia, Jun, Ansari, Mohammed T, Landau, David

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GRADE guidance 24 optimizing the integration of randomized and non-randomized studies of interventions in evidence syntheses and health guidelines von Cuello-Garcia, Carlos A., Santesso, Nancy, Morgan, Rebecca L., Verbeek, Jos, Thayer, Kris, Ansari, Mohammed T., Meerpohl, Joerg, Schwingshackl, Lukas, Katikireddi, Srinivasa Vittal, Brozek, Jan L., Reeves, Barnaby, Murad, Mohammad H., Falavigna, Maicon, Mustafa, Reem, Regidor, Deborah L., Alexander, Paul Elias, Garner, Paul, Akl, Elie A., Guyatt, Gordon, Schünemann, Holger J.

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Grading the strength of a body of evidence when assessing health care interventions: an EPC update von Berkman, Nancy D, Lohr, Kathleen N, Ansari, Mohammed T, Balk, Ethan M, Kane, Robert, McDonagh, Marian, Morton, Sally C, Viswanathan, Meera, Bass, Eric B, Butler, Mary, Gartlehner, Gerald, Hartling, Lisa, McPheeters, Melissa, Morgan, Laura C, Reston, James, Sista, Priyanka, Whitlock, Evelyn, Chang, Stephanie

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