To the development of the investigation, a sample of 112 purchase files were revised, of those files, 37 were excluded of the study because they were acute purchases, 3 because they were declared unsuccessful or without bidders, and 3 because they were purchased through article 117.
Para el desarrollo de la investigación se alcanzaron revisar una muestra de 112 expedientes de compras en total, de esos expedientes 37 fueron excluidos del estudio por ser compras agudas, 3 por haber sido declarados infructuosos o desiertos y 3 debido a que corresponden a compras realizadas por medio del artículo 117.