Clinical study predicting prolonged postoperative ileus after laparoscopic colorectal cancer surgery with intelligent bowel sound auscultation system

Figure 3 Characteristics of intestinal sounds diagram display. A: Diagram showing changes in the number of bowel sounds at different times on post-operation 1 day, where blue represents the area of weakened intestinal sounds, green represents the area of normal intestinal sounds, and yellow represents the area of increased intestinal sounds; B: Frequency of chart of intestinal sounds, showing the relationship between detected intestinal sounds and time over a period; C: Display of frequency of bowel sounds analysis; D: Display of bowel sound vibration amplitude analysis. BR: Bowel rate.