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Revista Brasileira de Terapia Intensiva

Print version ISSN 0103-507XOn-line version ISSN 1982-4335


NEDEL, Wagner Luis  and  SILVEIRA, Fernando da. Different research designs and their characteristics in intensive care. Rev. bras. ter. intensiva [online]. 2016, vol.28, n.3, pp.256-260. ISSN 1982-4335.

Different research designs have various advantages and limitations inherent to their main characteristics. Knowledge of the proper use of each design is of great importance to understanding the applicability of research findings to clinical epidemiology.

In intensive care, a hierarchical classification of designs can often be misleading if the characteristics of the design in this context are not understood. One must therefore be alert to common problems in randomized clinical trials and systematic reviews/meta-analyses that address clinical issues related to the care of the critically ill patient.

Keywords : Research designs; Randomized clinical trial; Systematic review; Meta-analysis; Cohort studies.

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