title: Trial sequential analysis: the role of the number needed-to-treat in evaluating the clinical relevance of relative risk reduction values in the intra-aortic balloon pump support.
authors: Department of Cell Biology and Neuroscience, Italian National Institute of Health, Rome, Italy.
authors: Flavia
authors: F
authors: Chiarotti
authors: Maria Cristina
authors: MC
authors: Acconcia
authors: Domenico
authors: D
authors: Sergi
authors: Francesco
authors: F
authors: Romeo
authors: Quintilio
authors: Q
authors: Caretta
mesh_terms: D003324:Coronary Artery Disease / Q000453:epidemiology* / Q000628:therapy*; D006801:Humans; D007423:Intra-Aortic Balloon Pumping / Q000379:methods*
keywords: High risk-PCI; IABP; Meta-analysis; Trial sequential analysis