Given that all duodenal lesions were classified as a single variable, we proceeded to analyze them as two variables: ulcerative and non ulcerative non-erosive and erosive. We identified whether these two were behaved similarly.
Puesto que todas las lesiones duodenales se asimilaron a una sola variable, se procedió a analizarlas en dos variables como ulcerativa y no ulcerativa no erosivas y erosivas, e identificar si estas se comportaban de manera similar.