Table 2 Antimicrobial resistance rates of strains isolated from patients of different medical wards (ICU, intensive care unit; BU, burn unit; SU, surgical unit; OU, other units; n, number of isolates; %R, resistance rate; 95% CI, 95% confidence interval)
Antimicrobial agent | ICU (n = 81) | BU (n = 35) | SU (n = 32) | OU (n = 54) | All units (n = 202) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
%R | 95% CI | %R | 95% CI | %R | 95% CI | R% | 95% CI | R% | 95% CI | |
Imipenem | 71.1 | 9.6 | 72.7 | 15.2 | 58.3 | 19.7 | 65.5 | 12.6 | 67.8 | 6.4 |
Meropenem | 28.9 | 9.6 | 51.5 | 17.1 | 20.8 | 16.2 | 21.8 | 10.9 | 29.2 | 6.3 |
Ceftazidim | 32.5 | 9.9 | 51.5 | 17.1 | 37.5 | 19.4 | 23.6 | 11.2 | 33.2 | 6.5 |
Cefepime | 43.4 | 10.5 | 48.5 | 17.1 | 41.7 | 19.7 | 38.2 | 12.8 | 42.6 | 6.8 |
Piperacillin/tazobactam | 48.2 | 10.6 | 24.2 | 14.6 | 37.5 | 19.4 | 38.2 | 12.8 | 39.6 | 6.7 |
Gentamicin | 33.7 | 10 | 57.6 | 16.9 | 33.3 | 18.9 | 34.5 | 12.6 | 37.6 | 6,7 |
Tobramycin | 31.3 | 9.8 | 57.7 | 16.9 | 45.8 | 19.9 | 34.5 | 12.6 | 38.1 | 6.7 |
Amikacin | 19.3 | 8.3 | 57.8 | 16.9 | 33.3 | 18.9 | 30.9 | 12.2 | 30.7 | 6.4 |
Ciprofloxacin | 28.9 | 9.6 | 51.5 | 17.1 | 66.7 | 18.9 | 34.5 | 12.6 | 39.1 | 6.4 |
Colistin | 1.2 | 2.3 | 0 | – | 8.3 | 11.0 | 5.5 | 6.0 | 3.0 | 2.4 |