Table 4 Alpha diversity analysis of the gut microbiota
From: Clinical efficacy of metformin in familial adenomatous polyposis and the effect of intestinal flora
| Â | Observed species | Chao1 | Shannon | Simpson |
|---|---|---|---|---|
At baseline | Â | Â | Â | Â |
Placebo | 822 | 405.3 | 6.614 | 0.902 |
Test group | 810 | 420.7 | 6.098 | 0.908 |
p value | 0.596 | 0.906 | 0.456 | 0.480 |
At 1Â year | Â | Â | Â | Â |
Placebo | 806 | 411 | 6.516 | 0.888 |
Test group | 863 | 443 | 7.392 | 0.989 |
p value | 0.289 | 0.814 | 0.025 | 0.009 |