Table 6.
Trends in the percentage of resistance to sentinel antibiotics and selected antimicrobial categories by bacterial species during the years 2017–2021.
| Bacterial Species | AMR Pattern | 2017 | 2018 | 2019 | 2020 | 2021 | p-Values | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % Res | n | % Res | n | % Res | n | % Res | n | % Res | |||
| Staphylococcus aureus (493) | Penicillins | 102 | 17.5 | 94 | 20.2 | 76 | 17.9 | 94 | 18.1 | 123 | 16.9 | 0.42 |
| Klebsiella. pneumoniae (191) | Carbapenems | 41 | 39 | 39 | 25.6 | 31 | 35.5 | 46 | 28.7 | 34 | 52.9 | 0.08 |
| Combined resistance 1 | 41 | 31.7 | 39 | 35.9 | 31 | 54.8 | 46 | 50 | 34 | 41.2 | 0.23 | |
| Escherichia coli (88) | Carbapenems | 17 | 0 | 11 | 9.1 | 19 | 0 | 20 | 0 | 21 | 0 | NA |
| Combined resistance 1 | 17 | 11.8 | 11 | 9.1 | 22 | 13.6 | 20 | 10 | 21 | 4.8 | 0.9 | |
| Acinetobacter baumannii (85) | Carbapenems | 17 | 88.2 | 12 | 83.3 | 11 | 81.8 | 19 | 89.5 | 25 | 96 | 0.68 |
| Combined resistance 1 | 17 | 64.7 | 12 | 75 | 11 | 81.8 | 19 | 89.5 | 25 | 96 | 0.08 | |
Abbreviations: Res, resistance to sentinel antibiotics and to combinations of antimicrobial categories. 1 Resistance to at least one antimicrobial agent in at least three of carbapenems, aminoglycosides, fluoroquinolones, and third- or fourth-generation cephalosporins.