Table 3.
Bacterial colonies identified and their antibiotic resistance minimum inhibitory concentration (MIC) mg
| Sample | Bacterial culture | O2 Req |
Amoxicillin | Augmentin | Amifloxacin* | Doxycycline** | Tetracycline | Metronidazole | Clinda- mycin |
Tige- cycline |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Propionibacterium acnes | An | 0.032 | 0.047 | 0.19 | 0.19 | 0.5 | >256 | 0.032 | 0.094 |
| 2 | alpha Streptococcus spp. (viridans gp) | Ae | ≤ 0.016 | ≤ 0.016 | 0.032 | ≤ 0.016 | 0.19 | >256 | ≤ 0.016 | ≤ 0.016 |
| 2 | Moraxella spp. | Ae | 0.5 | 0.5 | 0.047 | 0.25 | 0.25 | >256 | 24 | 0.38 |
| 2 | Parvimonas micra | An | ≤ 0.016 | ≤ 0.016 | >32 | 0.75 | 0.5 | 0.064 | 0.25 | ≤ 0.016 |
| 2 | Prevotella corporis | An | 0.094 | 0.032 | 0.25 | 2 | 64 | >256 | 0.032 | 0.032 |
| 2 | Prevotella intermedia | An | 3 | ≤ 0.016 | 0.25 | 4 | 6 | 0.032 | >256 | 0.094 |
| 4 | Prevotella denticolla | An | 0.032 | ≤ 0.016 | 0.25 | 0.064 | 0.19 | 0.19 | ≤ 0.016 | 0.125 |
| 4 | Prevotella intermedia | An | 3 | 0.064 | 0.25 | 3 | 12 | 0.064 | ≤ 0.016 | 0.064 |
| 4 | Prevotella buccae | An | 16 | 0.094 | 0.25 | 1.5 | 6 | 0.125 | ≤ 0.016 | 0.094 |
| 7 | alpha Streptococcus spp. (viridans gp) | Ae | 0.19 | 0.125 | 0.125 | 48 | 48 | >256 | >256 | ≤ 0.016 |
| 8 | Fusobacterium spp. | An | ≤ 0.016 | ≤ 0.016 | 0.047 | ≤ 0.016 | 0.064 | 0.032 | ≤ 0.016 | ≤ 0.016 |
| 8 | Peptostreptococcus spp. | An | 0.032 | ≤ 0.016 | 0.047 | ≤ 0.016 | 0.19 | 0.125 | ≤ 0.016 | 0.047 |
| 9 | Fusobacterium spp. | An | ≤ 0.016 | ≤ 0.016 | 0.032 | ≤ 0.016 | 0.064 | ≤ 0.016 | ≤ 0.016 | 0.023 |
| 9 | Peptostreptococcus spp. | An | ≤ 0.016 | 0.125 | 0.064 | 0.25 | 1 | ≤ 0.016 | 32 | 0.125 |
| 9 | Prevotella buccae | An | 8 | 0.064 | 0.25 | 0.047 | 0.19 | 0.19 | >256 | 0.25 |
| 10 | Fusobacterium spp. | An | ≤ 0.016 | ≤ 0.016 | 0.023 | 0.023 | 0.047 | ≤ 0.016 | ≤ 0.016 | ≤ 0.016 |
| 10 | Peptostreptococcus spp. | An | 0.047 | ≤ 0.016 | ≤ 0.016 | 0.19 | 0.25 | ≤ 0.016 | ≤ 0.016 | 0.064 |
| 11 | Propionibacterium acnes | An | 0.094 | ≤ 0.016 | 0.125 | 0.064 | 0.19 | >256 | ≤ 0.016 | ≤ 0.016 |
| 13 | Lactobacillus spp. | An | 0.047 | 0.032 | >32 | 0.75 | 1.5 | >256 | 4 | 0.032 |
| 13 | Lactobacillus spp. | An | 0.023 | 0.047 | >32 | 0.5 | 1.5 | >256 | 4 | 0.047 |
| 15 | Peptostreptococcus spp. | An | ≤ 0.016 | ≤ 0.016 | >32 | ≤ 0.016 | 0.064 | ≤ 0.016 | ≤ 0.016 | ≤ 0.016 |
| 15 | Peptostreptococcus spp. | An | 1 | 0.125 | 0.125 | 0.25 | 0.75 | ≤ 0.016 | 0.25 | 0.75 |
| 15 | Prevotella intermedia | An | 0.5 | ≤ 0.016 | 0.5 | 3 | 12 | 0.125 | ≤ 0.016 | 0.032 |
| 16 | alpha Streptococcus spp. (viridans gp) | Ae | 0.5 | 0.5 | 0.25 | 0.125 | 0.38 | >256 | 48 | 0.064 |
| Resistant | 1 | 0 | 4 | 1 | 2 | 9 | 6 | 0 | ||
| Susceptible | 23 | 24 | 20 | 23 | 21 | 15 | 18 | 24 | ||
| % susceptibility | 95.8 | 100.0 | 83.3 | 95.8 | 87.5 | 62.5 | 75.0 | 100.0 | ||
Ae: Aerobic, An: anaerobic; gray boxes: resistant to antibiotic.
*
Other fluoroquinolones resistance >2–8 mg
**
Used threshold for tetracycline