Table 2.
Ability of S. aureus strains to produce biofilm on polystyrene.
| Origin of strains (no.) | No. (%) of strains | ||
|---|---|---|---|
| Specific biofilm formation | |||
| Strong | Moderate | Weak | |
| Bronchoalveolar washings (32) | 14 (43.8) | 15 (46.8) | 3 (9.4) |
| Wound (25) | 7 (28) | 12 (48) | 6 (24) |
| Anus (16)∗ | 2 (12.5) | 9 (56.2) | 4 (25) |
| Blood (13) | 5 (38.5) | 7 (53.8) | 1 (7.7) |
| Nose (8) | 4 (50) | 4 (50) | - |
| Purulence (6) | 2 (33.4) | 4 (66.6) | - |
| Urine (5) | 1(20) | 4 (80) | - |
| Throat (9) | 4 (44.4) | 5 (55.6) | - |
| Sputum (3) | 2 (66.7) | 1 (33.3) | - |
| Tracheostomy tube (3) | 2 (66.7) | 1 (33.3) | - |
| Catheter (2) | 1(50) | - | 1 (50) |
| Other (8) | 4 (50) | 2 (25) | 2 (25) |
| Total | 48 (36.9) | 64 (49.2) | 17 (13.1) |
∗ - One strain did not form biofilm.