Table 3 Antimicrobial resistance rates of K. pneumoniae strains
Antimicrobials | Nosocomial | HCA | CA | P-value | ||
|---|---|---|---|---|---|---|
(n = 98) | (n = 195) | (n = 86) | HCA versus Nosocomial | CA versus Nosocomial | CA versus HCA | |
Ampicillin | 96 (98.0%) | 195 (100.0%) | 82 (95.4%) | 0.111 | 0.420 | 0.002 |
Cefazolin | 68 (69.4%) | 131 (67.2%) | 36 (41.9%) | 0.702 | 0.000 | 0.000 |
Cefuroxime | 58 (59.2%) | 114 (58.5%) | 27 (31.4%) | 0.906 | 0.000 | 0.000 |
Ceftriaxone | 56 (57.1%) | 109 (55.9%) | 26 (30.2%) | 0.839 | 0.000 | 0.000 |
Ceftazidime | 43 (43.9%) | 85 (43.6%) | 18 (20.9%) | 0.963 | 0.001 | 0.000 |
Cefepime | 41 (41.8%) | 87 (44.6%) | 15 (17.4%) | 0.651 | 0.000 | 0.000 |
Imipenem | 20 (20.4%) | 57 (29.2%) | 4 (4.7%) | 0.105 | 0.002 | 0.000 |
Meropenem | 21 (21.4%) | 57 (29.2%) | 4 (4.7%) | 0.154 | 0.001 | 0.000 |
Ertapenem | 24 (24.5%) | 58 (29.7%) | 4 (4.7%) | 0.345 | 0.000 | 0.000 |
Amoxicillin/Clavulanic Acid | 44 (44.9%) | 78 (40.0%) | 13 (15.1%) | 0.422 | 0.000 | 0.000 |
Cefoperazone/Sulbactam | 41 (41.8%) | 66 (33.9%) | 9 (10.5%) | 0.180 | 0.000 | 0.000 |
Piperacillin/ Tazobactam | 43 (43.9%) | 74 (38.0%) | 8 (9.3%) | 0.328 | 0.000 | 0.000 |
Aztreonam | 47 (48.0%) | 102 (52.3%) | 22 (25.6%) | 0.482 | 0.002 | 0.000 |
Cefoxitin | 31 (31.6%) | 73 (37.4%) | 11 (12.8%) | 0.327 | 0.002 | 0.000 |
Ciprofloxacin | 45 (45.9%) | 103 (52.8%) | 21 (24.4%) | 0.265 | 0.002 | 0.000 |
Levofloxacin | 31 (31.6%) | 90 (46.2%) | 14 (16.3%) | 0.017 | 0.016 | 0.000 |
Amikacin | 36 (36.7%) | 46 (23.6%) | 6 (7.0%) | 0.018 | 0.000 | 0.001 |
Gentamicin | 47 (48.0%) | 91 (46.6%) | 24 (27.9%) | 0.834 | 0.005 | 0.004 |
Trimethoprim/Sulfamethoxazole | 52 (53.1%) | 106 (54.4%) | 34 (39.5%) | 0.833 | 0.067 | 0.028 |
Tigecycline | 1 (1.0%) | 4 (2.1%) | 1 (1.2%) | 0.667 | 1.000 | 1.000 |
ESBL-production | 40 (40.8%) | 70 (35.9%) | 21 (24.4%) | 0.412 | 0.018 | 0.072 |
Multidrug resistance | 52 (53.1%) | 102 (52.3%) | 20 (23.3%) | 0.903 | 0.000 | 0.000 |