Table 1.
Strain groups and species of Enterobacteriaceae clinical isolates used in this study
| Group | No. of isolates |
|||||
|---|---|---|---|---|---|---|
| Klebsiella pneumoniae | Klebsiella oxytoca | Escherichia coli | Enterobacter spp. | Serratia marcescens | Total | |
| KPC and KPC/ESBLa producers (n = 112) | 89 | 3 | 7 | 5 | 8 | 112 |
| VIM and VIM/ESBLb producers (n = 58) | 39 | 4 | 3 | 12 | 58 | |
| AmpC and AmpC/ESBLc producers (n = 47) | 20 | 19 | 8 | 47 | ||
| ESBLd producers (n = 22) | 7 | 15 | 22 | |||
| Total | 155 | 7 | 44 | 25 | 8 | 239 |
a
blaCTX-M-3 (n = 2), blaCTX-M-15 (n = 5), blaSHV-5 (n = 3), and blaSHV-12 (n = 63).
b
blaCTX-M-15 (n = 6) and blaSHV-5 (n = 27).
c
blaCTX-M-3 (n = 3), blaCTX-M-15 (n = 6), and blashv-5 (n = 18).
d
blaCTX-M-3 (n = 3), blaCTX-M-15 (n = 17), and blaSHV-5 plus blaCTX-M-3 (n = 2).