To identify differences and similarities between this study and those conducted in other countries, we have compared this study with studies conducted in Saudi Arabia, Sudan, Jordan, Brazil and the USA. The latter, only recently published, studied a population of more than 1000 patients. Among the patients in our study who underwent upper endoscopy, most were female.
Para la discusión del presente trabajo, se realiza una comparación con estudios en diferentes poblaciones Arabia Saudita, Sudán, Jordania, Brasil y el publicado en EE.UU., más recientemente, con una población mayor a 1000 pacientes, con el fin de reconocer cambios o similitudes entre estos.