Table 3.
Number (percentage) of bacterial strains resistant to the antibiotics used
| Antibiotics | No. (%) of resistant strains | |||
|---|---|---|---|---|
| P. mirabilis collections | E. coli | |||
| Laboratory | Swedish | Polish | ||
| AUG | 0 | 2 (2.0) | 5 (12.0) | 8 (6.0) |
| A | – | – | – | 73 (57.0) |
| PIP | – | – | – | 27 (21.0) |
| PY | 0 | 13 (13.0) | 19 (44.0) | – |
| AP | 2 (9.0) | 15 (15.0) | 21 (48.0) | – |
| CF | – | – | – | 38 (30.0) |
| CFX | – | – | – | 12 (9.0) |
| CXM | 2 (9.0) | 3 (3.0) | 26 (60.0) | – |
| CFT | – | – | – | 7 (5.5) |
| CFZ | – | – | – | 8 (6.0) |
| IMI | 0 | 0 | 20 (46.0) | 0 |
| ATM | 0 | 0 | 21 (49.0) | – |
| AK | 0 | 0 | 10 (23.0) | 1 (0.7) |
| TB | – | – | – | 12 (9.0) |
| Gm | – | – | – | 20 (16.0) |
| NT | – | – | – | 4 (3.0) |
| Na | – | – | – | 65 (51.0) |
| NOR | 0 | 3 (3.0) | 14 (32.0) | 38 (30.0) |
| CIP | 0 | 3 (3.0) | 12 (28.0) | 38 (30.0) |
| OFX | 0 | 2 (2.0) | 18 (42.0) | – |
| T | 38 (90.0) | 94 (94.0) | 42 (98.0) | – |
| PB | 42 (100) | 97 (97.0) | 36 (84.0) | – |
| CO | 42 (100) | 99 (100) | 39 (91.0) | – |
| NI | 42 (100) | 91 (91.0) | 39 (91.0) | 24 (19.0) |
| TS | 0 | 19 (19.0) | 18 (42.0) | 42 (33.0) |
| F | – | – | – | 2 (1.0) |
Antibiotics: AUG amoxicillin/clavulanate, A amoxicillin, PIP piperacillin, PY carbenicillin, AP ampicillin, CF cefalotin, CFX cefoxitin, CXM cefuroxime, CFT cefotaxime, CFZ ceftazidime, IMI imipenem, ATM aztreonam, AK amikacin, TB tobramycin, Gm gentamicin, NT netilmicin, Na nalidixic acid, NOR norfloxacin, CIP ciprofloxacin, OFX ofloxacin, T tetracycline, PB polymyxin B, CO colistin sulfate, NI nitrofurantoin, TS cotrimoxazole, F fosfomycin; bold over 45 % of resistant strains;- not studied