Table 1.
CRE Isolates Recovered in 2 Periods When Isolates Were Screened for Carbapenemase-Encoding Genes
| No. of Isolates by Year | |||||||
|---|---|---|---|---|---|---|---|
| CRE Species | Total Isolates | 2007 | 2008 | 2009 | 2014 | 2015 | 2016 |
| Klebsiella pneumoniae | 997 | 75 | 79 | 95 | 224 | 273 | 251 |
| Enterobacter cloacae species complex | 69 | 11 | 19 | 16 | 19 | 24 | 23 |
| Escherichia coli | 52 | 3 | 9 | 7 | 9 | 13 | 11 |
| Serratia marcescens | 44 | 7 | 5 | 8 | 7 | 12 | 5 |
| Klebsiella oxytoca | 30 | 6 | 2 | 5 | 4 | 3 | 10 |
| Klebsiella aerogenes | 27 | 7 | 3 | 4 | 6 | 4 | 3 |
| Citrobacter freundii species complex | 9 | 1 | 5 | 5 | |||
| Proteus mirabilis | 6 | 1 | 1 | 2 | 2 | ||
| Enterobacter spp. | 4 | 1 | 2 | 1 | |||
| Raoultella ornithinolytica | 3 | 1 | 1 | 1 | |||
| Pluralibacter gergoviae | 2 | 1 | 1 | ||||
| Providencia stuartii | 2 | 1 | 1 | ||||
| Raoultella planticola | 2 | 2 | |||||
| Serratia spp. | 2 | 2 | |||||
| Hafnia alvei | 1 | 1 | |||||
| Morganella morganii | 1 | 1 | |||||
| Pantoea agglomerans | 1 | 1 | |||||
| Raoultella spp. | 1 | 1 | |||||
| Total | 1298 | 111 | 126 | 137 | 277 | 333 | 314 |
Abbreviation: CRE, carbapenem-resistant Enterobacteriaceae.