Table 2.
The costs by antibacterial agents
| Antibacterial drug | DDD | PDD/1000 patient days | Mean DDD per month | Range of DDD per month | Mean cost per month ($) | Range of cost ($) per month | Total cost per year ($) |
|---|---|---|---|---|---|---|---|
| Sulfamethoxazole/ Trimethoprim | 20 UD (= 20 ml) | 0.039 | 275.25 | 0- 285,5 | 105.62 | 0-185.11 | 1131.55 |
| Colistin | 3 MU | 0.001 | 4.19 | 0-21 | 40.40 | 0-910.53 | 5587.86 |
| Piperacillin-tazobactam | 14 gr | 0.007 | 11.28 | 0-49 | 482.56 | 0-2087 | 6032.09 |
| Teicoplanin | 0.4 gr | 0.007 | 15.48 | 0-65 | 447.02 | 0-1886.81 | 11175.74 |
| Vancomycin | 2 gr | 0.021 | 44.2 | 0-128 | 1015.66 | 0-2986.08 | 12695.9 |
| Linezolid | 1.2 gr | 0.007 | 4.2 | 0-58 | 1072.1 | 0-3876.74 | 13401.5 |
| Cefoperazone-sulbactam | 4 gr | 0.038 | 78.48 | 10-142 | 3826.25 | 1021.14-5662.7 | 39527.51 |
| Meropenem | 3 gr | 0.029 | 52.74 | 0-150 | 3313.06 | 0-10570.84 | 48039.57 |
| Imipenem | 2 gr | 0.116 | 117.16 | 15-220 | 5861.17 | 828.18-24293.41 | 73264.66 |
| Total | 261,156.38 |
DDD = defined daily dose; PDD = patient daily dose.