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The relationship between the duration of catheterization and the strength of biofilm formation.
| Duration of catheterization | Number of isolation (%) | Strong biofilm (%) | Moderate biofilm (%) | Weak biofilm (%) |
|---|---|---|---|---|
| 15 days | 4 (10) | 3 (75) | 1 (25) | 0 (0) |
| 10 days | 20 (50) | 7 (35) | 13 (65) | 0 (0) |
| 7 days | 16 (40) | 2 (12.5) | 6 (37.5) | 8 (50) |
