Research Article
Antibiotic Susceptibility Pattern and Biofilm Formation in Clinical Isolates of Enterococcus spp.
Table 3
Relationship between biofilm and presence of esp gene among Enterococcus spp.
| Type of biofilm (OD570) | Enterococcus spp. with esp gene | Enterococcus spp. without esp gene | Total Enterococcus spp. N (%) | E. faecalis N () | E. faecium N () | E. faecalis N (%) | E. faecium N (%) |
| Strong (>2) | 3 (13.6) | 3 (16.6) | 1(1.7) | 0 (0) | 7 (5.1) |
| Medium (1 to 2) | 2 (9.0) | 2 (11.1) | 3 (5.2) | 1 (2.5) | 8 (5.8) |
| Weak (0.5 to 1) | 2 (9.0) | 2 (11.1) | 3 (5.2) | 8 (20) | 15 (10.9) |
| Non-biofilm-formers (≤0.5) | 15 (68.1) | 11 (61.1) | 50 (87.7) | 31 (77.5) | 107 (78.1) |
| Total | 22 (16.1) | 18 (13.1) | 57 (41.60) | 40 (42.3) | 137 (100) |
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