Use of GRADE for assessment of evidence about prognosis: rating confidence in estimates of event rates in broad categories of patients

Authors: Alfonso Iorio, F.A. Spencer, Maicon Falavigna, Ana Carolina Alba, Eddy Lang, Bernard Burnand, Thomas McGinn, Jill A. Hayden, Katrina Williams, Bev Shea, Robert Wolff, T. Kujpers, Pablo Perel, Per Olav Vandvik, Paul Glasziou, Holger J. Schünemann, Gordon Guyatt - BMJ 2015 cited by 865

This paper provides guidance for the use of the GRADE approach to determine confidence