Table 2 Interpretation of mean FIC for a combination of antibiotics with different silver AgNPs concentrations against E. coli and K. pneumoniae isolates
FIC Average resistance | Organism isolated | Total (n = 43) | |
|---|---|---|---|
E. coli (n = 35) | K. pneumoniae (n = 8) | ||
No. (%) | No. (%) | No. (%) | |
Ampicillin | |||
Synergistic | 27 (77.14%) | 4 (50.00%) | 31 (72.09%) |
Additive | 7 (20.00%) | 2 (25.00%) | 9 (20.93%) |
Indifferent | 1 (2.86%) | 2 (25.00%) | 3 (6.98%) |
Cefotaxime | |||
Synergistic | 31 (88.57%) | 6 (75.00%) | 37 (86.05%) |
Additive | 4 (11.43%) | 2 (25.00%) | 6 (13.95%) |
Indifferent | 0 (0.00%) | 0 (0.00%) | 0 (0.00%) |
Ceftazidime | |||
Synergistic | 31 (88.57%) | 5 (62.50%) | 36 (83.72%) |
Additive | 4 (11.43%) | 3 (37.50%) | 7 (16.28%) |
Indifferent | 0 (0.00%) | 0 (0.00%) | 0 (0.00%) |
Ciprofloxacin | |||
Synergistic | 32 (91.43%) | 5 (62.50%) | 37 (86.05%) |
Additive | 3 (8.57%) | 3 (37.50%) | 6 (13.95%) |
Indifferent | 0 (0.00%) | 0 (0.00%) | 0 (0.00%) |
Total | 35 (100.00) | 8 (100.00) | 43 (100.00) |