Table 3. Bacterial isolates from purulent material drained from Hidradenitis suppurativa lesions at baseline and week 8.
| Family | Genus or species | Number of bacteria isolates | Gram positive/negative | Aerobic./Anaerobic | |
|---|---|---|---|---|---|
| Baseline | Week 8 | ||||
| Staphylococcaceae | Staphylococcus aureus | 3 | - | Positive | Facultative anaerobic |
| Staphylococcus epidermidis | 11 | 2 | Positive | Facultative anaerobic | |
| Staphylococcus haemolyticus | 1 | - | Positive | Facultative anaerobic | |
| Staphylococcus caprae | 1 | - | Positive | Facultative anaerobic | |
| Coagulase-negative Staphylococcus | 2 | - | Positive | Facultative anaerobic | |
| Staphylococcus lugdunensis | 2 | - | Positive | Facultative anaerobic | |
| Staphylococcus warneri | 1 | - | Positive | Facultative anaerobic | |
| Streptococcaceae | GAS (B-hemolytic streptococcus; group A) | 1 | - | Positive | Facultative anaerobic |
| GBS (B-hemolytic streptococcus; group B) | 1 | - | Positive | Facultative anaerobic | |
| Enterococcaceae | Enterococcus faecalis | 1 | 1 | Positive | Facultative anaerobic |
| Enterobacteriaceae | Escherichia coli | 3 | 2 | Negative | Facultative anaerobic |
| Enterobacter aerogenes | 1 | 1 | Negative | Facultative anaerobic | |
| Klebsiella pneumoniae | 1 | - | Negative | Facultative anaerobic | |
| Pseudomonaceae | Pseudomonas aeruginosa | 1 | 1 | Negative | Aerobic |
| Corynebacteriaceae | Corynebacterium species | 1 | - | Positive | Aerobic |
| Lactobacillaceae | Pediococcus pentosaceus | 1 | - | Positive | Facultative anaerobic |
| Propionibacteriaceae | Propionibacterium acnes | 1 | - | Positive | Anaerobic |
| Morganellaceae | Proteus mirabilis | 1 | - | Negative | Facultative anaerobic |
| Dermabacteraceae | Dermabacter hominis | - | 2 | Positive | Facultative anaerobic |
| Actinomycetaceae | Actinomyces europaeus | - | 1 | Positive | Facultative anaerobic |