Fig. 5

Correlation analysis of different bacteria within and between groups. The numerical matrix of the two groups of different bacteria is visually displayed through the heatmap. The color change reflects the data information, and the color depth represents the correlation. The redder the color, the higher the correlation between the two bacteria. A Intragroup bacterial correlation heatmap of the moderately differentiated CRC group. The Pearson coefficient was used to calculate the correlation between the bacteria. The shade of color indicates the size of the data value. Pearson correlation coefficients are indicated in the figure. * 0.01 < p < 0.05; * * 0.001 < p ≤ 0.01; * * * p ≤ 0.001. B Intragroup bacterial correlation heatmap of the poorly differentiated CRC group. C Chord diagram. One side of the circle is the species name, and the other side is the sample name, which is represented by different colors. The species abundance is displayed as a percentage