Of those 68 CE studies, 8 failed to obtain clinical data. The remaining 60 studies were included in this study for analysis. 33 55% had hidden OGB and 27 45% had evident OGB Figure 1.
De los 68 CE, en 8 no se logró obtener datos clínicos y los 60 estudios restantes se incluyeron en el análisis para este estudio, de los cuales 33 55% presentaban SGO oculto y 27 45% SGO evidente figura 1.