ABC | Volume 114, Nº4, April 2020

Original Article Mejia et al. Quality, the new era of cardiovascular surgery Arq Bras Cardiol. 2020; 114(4):603-612 Figure 2 – Year-by-year graph of volume and mortalidade in CABG surgery in > 35 years of the InCor. Mortality rate observed (%) Number of surgeries 6 4 2 750 250 500 1000 1250 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019-1S Quantidade de Cirurgias Tx de Mortalidade Observada Coronary Figure 3 – Year-by-year graph of volume and mortalidade in Valve Cardiac Surgery in > 35 years of the InCor. Mortality rate observed (%) Number of surgeries 15 10 5 200 400 600 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019-1S Quantidade de Cirurgias Tx de Mortalidade Observada Valve (Aortic or Mitral) 607