The incidence of severe post-operative pain reported in the literature varies widely, with reports of 75% Cohen 1980, USA, 33% Oates 1994, United Kingdom, 46% Poisson-Saloman 1999, France, 68% Spanish Society of Pain, 2003, 59% Apfel-baum 2003, USA.
La incidencia de dolor severo postoperatorio reportada en la literatura varía ampliamente, con reportes del 75% Cohen 1980, EE. UU., del 33% Oates 1994, Reino Unido, del 46% Poisson-Saloman 1999, Francia, del 68% Sociedad Española del Dolor, 2003 y del 59% Apfelbaum 2003, EE.