| Veillonella | Megasheria | 0 | 1 (5) | 0 | 0.362 |
| Peptostreptococci | Peptoniphilus asaccharolytica | 0 | 0 | 1 (5) | 0.362 |
| Fusobacterium | F. mortiferum | 0 | 1 (5) | 0 | 0.362 |
| Bacteroids | B. fragilis | 2 (10) | 6 (30) | 1 (5) | 0.064 |
| B. vulgatus | 0 | 1 (5) | 0 | 0.362 | |
| B. ovatus | 0 | 3 (15) | 0 | 0.129 | |
| B. thetaiotamicron | 0 | 1 (5) | 0 | 0.362 | |
| B. stercoris | 0 | 0 | 1 (5) | 0.362 | |
| Parabacteroids distasonis | 1 (5) | 0 | 0 | 0.362 | |
| Prevotella | P. melaninogenica | 1 (5) | 1 (5) | 1 (5) | 1.000 |
| P. oralis | 7 (35) | 6 (30) | 6 (30) | 0.926 | |
| Clostridium | C. sordelii | 1 (5) | 2 (10) | 0 | 0.349 |
| C. perfringens | 2 (10) | 0 | 0 | 0.126 | |
| C. Clostridioforme | 0 | 1 (5) | 0 | 0.362 | |
| C. sporogenes | 0 | 0 | 2 (10) | 0.126 |