Table 2.
Cross resistances of P.aeruginosa isolates.
| Isolates resistant | number of isolates resistant to | |||||||||
| To | n | IP | MP | PM | TZ | CFS | PTc | Cl | TM | AK |
| IP | 35 | 34 (97) | 17 (49) | 11 (31) | 22 (63) | 25 (71) | 8 (23) | 30 (86) | 9 (26) | |
| MP | 36 | 34 (94) | 18 (50) | 12 (33) | 23 (64) | 27 (75) | 9 (25) | 32 (89) | 10 (28) | |
| PM | 28 | 17 (61) | 18 (64) | 19 (68) | 18 (64) | 19 (68) | 13 (46) | 23 (82) | 13 (46) | |
| TZ | 22 | 11 (50) | 12 (55) | 19 (86) | 13 (59) | 15 (68) | 11 (50) | 16 (73) | 8 (36) | |
| CFS | 32 | 22 (69) | 23 (72) | 18 (56) | 13 (41) | 22 (69) | 9 (28) | 30 (94) | 11 (34) | |
| PTc | 36 | 25 (69) | 27 (75) | 19 (53) | 15 (42) | 22 (61) | 7 (19) | 29 (81) | 13 (36) | |
| Cl | 20 | 8 (40) | 9 (45) | 13 (65) | 11 (55) | 9 (45) | 7 (35) | 17 (85) | 7 (35) | |
| TM | 51 | 30 (59) | 32 (63) | 23 (45) | 16 (31) | 30 (59) | 29 (57) | 17 (33) | 18 (35) | |
| AK | 20 | 9 (45) | 10 (50) | 13 (65) | 8 (40) | 11 (55) | 13 (65) | 7 (35) | 18 (90) | |
IP: imipenem, MP: meropenem, PM: cefepime, TZ: ceftazidime, CFS: cefoperazone/sulbactam, PTc: piperacillin/tazobactam, Cl: ciprofloxacin, TM: tobramycin, AK: amikacin. *The numbers in parentheses denote percent of isolates