This result is so dissimilar that our hypothesis was that it could be attributable to differences in the populations related to age, more specifically to the fact that patients at the institution with the highest prevalence rate came in for consultations very belatedly which resulted in the discovery of a larger number of tumors.
En la primera se encontraron 209 casos en 8.664 endoscopias que corresponden a 2,4% del total de endoscopias y en la institución 2 se presentaron 94 casos en 19.742 endoscopias digestivas altas, lo cual corresponde a 0,47% p< 0,001.