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Atenção Primária à Saúde

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Plano de análise estatística para o Alveolar Recruitment for Acute Respiratory Distress Syndrome Trial (ART). Ensaio controlado randomizado. / Plano de análise estatística para o Alveolar Recruitment for Acute Respiratory Distress Syndrome Trial (ART). Ensaio controlado randomizado. / Statistical analysis plan for the Alveolar Recruitment for Acute Respiratory Distress Syndrome Trial (ART). A randomized controlled trial.

Damiani, Lucas Petri; Berwanger, Otavio; Paisani, Denise; Laranjeira, Ligia Nasi; Suzumura, Erica Aranha; Amato, Marcelo Britto Passos; Carvalho, Carlos Roberto Ribeiro; Cavalcanti, Alexandre Biasi.
Rev Bras Ter Intensiva; 29(2): 142-153, 2017.
Artigo em Português, Inglês | MEDLINE | Out 2017 | ID: mdl-28977255
Resumo: BACKGROUND: The Alveolar Recruitment for Acute Respiratory Distress Syndrome Trial (ART) is an international multicenter randomized pragmatic controlled trial with allocation concealment involving 120 intensive care units in Brazil, Argentina, Colombia, Italy, Poland, Portugal, Malaysia, Spain, and Uruguay. The primary objective of ART is to determine whether maximum stepwise alveolar recruitment associated with PEEP titration, adjusted according to the static compliance of the respiratory system (ART strategy), is able to increase 28-day survival in patients with acute respiratory distress syndrome compared to conventional treatment (ARDSNet strategy). OBJECTIVE: To describe the data management process and statistical analysis plan. METHODS: The statistical analysis plan was designed by the trial executive committee and reviewed and approved by the trial steering committee. We provide an overview of the trial design with a special focus on describing the primary (28-day survival) and secondary outcomes. We describe our data management process, data monitoring committee, interim analyses, and sample size calculation. We describe our planned statistical analyses for primary and secondary outcomes as well as pre-specified subgroup analyses. We also provide details for presenting results, including mock tables for baseline characteristics, adherence to the protocol and effect on clinical outcomes. CONCLUSION: According to best trial practice, we report our statistical analysis plan and data management plan prior to locking the database and beginning analyses. We anticipate that this document will prevent analysis bias and enhance the utility of the reported results. TRIAL REGISTRATION: ClinicalTrials.gov number, NCT01374022.