| Type of organism | Patient ID | Isolated microorganisms | Skin scrapings | Muscle biopsies | Herniated discs |
| Anaerobic | Patient 1 | Propionibacterium acnes | - | - | + |
|
| Patient 2 | Propionibacterium acnes | - | - | + |
|
| Patient 3 | Gemella morbirllorum | - | - | + |
|
| Patient 4 | Not identified − Gram + bacilli | - | - | + |
|
| Patient 5 | Not identified – Gram + bacilli | - | - | + |
|
| Patient 6 | Not identified – Gram + bacilli | - | - | + |