The Value of Systematic Reviews and Meta-Analyses in Surgery.
Knight Simon R·European surgical research. Europaische chirurgische Forschung. Recherches chirurgicales europeennes
BACKGROUND: Systematic reviews and meta-analyses are generally regarded as sitting atop the hierarchy of clinical evidence. The unbiased summary of current evidence that a systematic review provides, along with the increased statistical power from larger numbers of patients, is invaluable in guiding clinical decision-m…