Research Article
Biofilm Formation by Pathogens Causing Ventilator-Associated Pneumonia at Intensive Care Units in a Tertiary Care Hospital: An Armor for Refuge
Table 4
Relation between drug resistance and biofilm production in Pseudomonas aeruginosa.
| Antibiotics | Biofilm | value | Producer | Nonproducer | Sensitive | Resistant | Sensitive | Resistant |
| Gentamicin | 5 (35.7%) | 9 (64.3%) | 4 (50.0%) | 4 (50.0%) | 0.512 | Amikacin | 5 (35.7%) | 9 (64.3%) | 4 (50.0%) | 4 (50.0%) | 0.512 | Ciprofloxacin | 4 (28.6%) | 10 (71.4%) | 1 (12.5%) | 7 (87.5%) | 0.387 | Levofloxacin | 4 (28.6%) | 10 (71.4%) | 2 (25%) | 6 (75.0%) | 0.856 | Ceftazidime | 4 (28.6%) | 10 (71.4%) | 3 (37.5%) | 5 (62.5%) | 0.665 | Cefepime | 10 (71.4%) | 4 (28.6%) | 4 (50.0%) | 4 (50.0%) | 0.315 | Piperacillin | 7 (53.8%) | 6 (46.2%) | 3 (37.5%) | 5 (62.5%) | 0.466 | Piperacillin/tazobactam | 12 (85.7%) | 2 (14.3%) | 4(50.0%) | 4(50.0%) | 0.070 | Cefoperazone/sulbactam | 11 (78.6%) | 3 (21.4%) | 4 (50.0%) | 4 (50.0%) | 0.166 | Meropenem | 8 (57.1%) | 6 (42.9%) | 2 (25.0%) | 6 (75.0%) | 0.145 | Imipenem | 8 (57.1%) | 6 (42.9%) | 2 (25.0%) | 6 (75.0%) | 0.145 | Colistin | 14 (100.0%) | 0.0% | 8(100.0%) | 0.0% | |
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