At the end of the study, the majority of the ascitic fluid infections were caused by enterobacteria, with no significant change in the percentage between that in the initial period and that at the end of the study.
Durante 20 años, en Francia, Dupeyron, et al 44 evaluaron un total de 240 casos de PBE en el periodo abril de 1977 a abril de 1997 con el fin de verificar los cambios en el perfil microbiológico de los agentes que causan la PBE.