Table 1.
Frequency of Gram-negative organisms collected from blood, intra-abdominal, respiratory and UTIs in the SMART study (2017–2019)
| Species | Year of isolation | Site of isolation | Frequency | % | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 2018 | 2019 | RT | IA | UT | BS | Unknown | |||
| Escherichia coli | 72 | 73 | 64 | 8 | 77 | 76 | 48 | 0 | 209 | 27.94% |
| Klebsiella pneumoniae | 70 | 59 | 58 | 68 | 44 | 55 | 20 | 1 | 187 | 25% |
| Pseudomonas aeruginosa | 53 | 46 | 65 | 108 | 25 | 18 | 13 | 0 | 164 | 21.93% |
| Stenotrophomonas maltophilia | 10 | 22 | 13 | 39 | 5 | 0 | 1 | 0 | 45 | 6.02% |
| Enterobacter cloacae | 10 | 9 | 7 | 14 | 7 | 3 | 2 | 0 | 26 | 3.48% |
| Serratia marcescens | 7 | 3 | 10 | 15 | 2 | 2 | 1 | 0 | 20 | 2.67% |
| Acinetobacter baumannii | 8 | 5 | 6 | 15 | 1 | 3 | 1 | 0 | 19 | 2.54% |
| Klebsiella aerogenes | 5 | 4 | 2 | 6 | 1 | 3 | 1 | 0 | 11 | 1.47% |
| Proteus mirabilis | 4 | 3 | 3 | 1 | 0 | 7 | 2 | 0 | 10 | 1.34% |
| Klebsiella variicola | 1 | 3 | 4 | 3 | 3 | 0 | 2 | 0 | 8 | 1.07% |
| Enterobacter non-speciated | 2 | 4 | 0 | 5 | 1 | 0 | 0 | 0 | 6 | 0.80% |
| Morganella morganii | 2 | 1 | 2 | 0 | 1 | 3 | 1 | 0 | 5 | 0.67% |
| Citrobacter freundii | 1 | 3 | 0 | 1 | 1 | 1 | 1 | 0 | 4 | 0.53% |
| Salmonella non-speciated | 0 | 1 | 3 | 0 | 4 | 0 | 0 | 0 | 4 | 0.53% |
| Acinetobacter non-speciated | 0 | 2 | 1 | 2 | 0 | 1 | 0 | 0 | 3 | 0.40% |
| Achromobacter xylosoxidans | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0.27% |
| Acinetobacter pittii | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 0.27% |
| Aeromonas caviae | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0.27% |
| Klebsiella oxytoca | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0.27% |
| Proteus non-speciated | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 0.27% |
| Aeromonas hydrophila | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.13% |
| Aeromonas veronii | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.13% |
| Burkholderia cenocepacia | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.13% |
| Burkholderia cepacia | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0.13% |
| Burkholderia multivorans | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.13% |
| Citrobacter koseri | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0.13% |
| Elizabethkingia miricola | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.13% |
| Enterobacter bugandensis | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0.13% |
| Kluyvera ascorbata | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.13% |
| Pantoea non-speciated | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0.13% |
| Proteus hauseri | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0.13% |
| Proteus penneri | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0.13% |
| Providencia stuartii | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0.13% |
| Pseudomonas non-speciated | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.13% |
| Pseudomonas otitidis | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0.13% |
| Ralstonia non-speciated | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.13% |
| Raoultella ornithinolytica | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0.13% |
| Total (%) | 250 (33.42) | 250 (33.42) | 248b (33.16) | 298 (39.84) | 178 (23.80) | 176 (23.53) | 96 (12.83) | 1 (0.13) | 748 (100) | 100% |
BS, blood stream; IA, intra-abdominal; RT, respiratory tract; UT, urinary tract.