Table 4. NYHA classification in heart failure RCTs compared to the reference population.
NYHA class 5
Heart failure RCTsNIa, %IIb, %IIIc, %IVd, %
SOLVD 1992422811–20<10<10<10
Munich 199117011–2011–2011–20<10
Borghi 201317511–2011–2011–20<10
US Carvedilol 19961094>20<10>20<10
Liu 2014154>20<10>20<10
CHARM Added 20032548>20<10>20<10
MERIT-HF 19993991>20<10>20<10
Zannad 1998254>20>20<10<10
CELICARD 2000124>2011–20>20<10
CHARM Alternative 20032028>2011–20>20<10
SENIORS 20052128>2011–20>20<10
SOLVD 19912569>2011–20>20<10
COMET 20033029>2011–20>20<10
Cicoira 2002106  e
 e
 e
 e
CARNEBI 2013183>20>20<10>20
MAIN CHF II 201459>20>20<10>20
Colucci 1996366>20>20<10>20
Zannad 20112737>20>20>20<10
Sturm 2000100>20>20>20<10
Cohn 20015010>20>20>20<10
CIBIS 1994641>20>20>20<10
CIBIS 19992647>20>20>20<10
ELITE II 20003152>2011–20>20>20
Kum 2008100>2011–20>20>20
Rieger 1999844>20>2011–20>20
BEST 2003226>20>20>20>20
Dalla-Volta 1999179>20>20>20>20
AREA-CHF 2009382>20>20>20>20
Pitt 19991663>20>20>20>20
Yodfat 199184 e  e
 e
 e
  • a47% of reference population. b36% of reference poulation. c7% of reference population. d10% of reference population. eInsufficient information to calculate deviation. RCT = randomised controlled trial. NYHA = New York Heart Association.