It was estimated that at the hospital where the study was carried out, a total of 2,000 upper digestive examinations were performed each year.
Se estimó que, en el hospital en que se realizó la investigación, se hacían aproximadamente, 2 mil exámenes de endoscopia digestiva alta al año.
Estimou-se que, no hospital em que se fez a pesquisa, eram realizados aproximadamente 2 mil exames de endoscopia digestiva alta por ano.