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Table 1.3 Resistance of common bacterial isolates from all specimens in four regional hospitals (Kowloon, Hong Kong Island and the New Territories) in 2015
| Organisms (No. of isolates) | % Non-susceptible | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ampicillin | Ampicillin + sulbactam | Amoxicillin + clavulanate | Piperacillin | Ticarcillin + clavulanate | Piperacillin + tazobactam | Cefoperazone + sulbactam | Cefuroxime (parenteral) | Ceftriaxone | Ceftazidime | Cefepime | Gentamicin | Amikacin | Ciprofloxacin | Cotrimoxazole | Imipenem | Nitrofurantoin | |
| Escherichia coli (26,943) | 76 | 26 | 5 | 4.9 | 33 | 36 | 20 | 19 | 30 | 2 | 40 | 50 | <1 | 3 | |||
| Klebsiella spp. (8,958) | 100 | 27 | 29 | 8 | 6 | 27 | 20 | 18 | 10 | 8 | 1 | 15 | 29 | <1 | 45 | ||
| Enterobacter spp. (2,094) | 95 | 96 | 34 | 22 | 13 | 40 | 24 | 5 | 3 | <1 | 5 | 11 | 2 | 27 | |||
| Acinetobacter spp. (2,461) | 50 | 56 | 56 | 48 | 34 | 53 | 31 | 26 | 56 | 30 | 55 | ||||||
| Pseudomonas aeruginosa (8,151) | 9 | 43 | 4 | 11 | 5 | 4 | 1 | <1 | 10 | 8 | |||||||
| Stenotrophomonas maltophilia (1,088) | 40 | 44 | 22 | 5 | 100 | ||||||||||||
Note:
The results were interpreted according to the Clinical Laboratory Standards Institute (CLSI), M100–S20. Most ceftriaxone-non-susceptible isolates were ESBL-producers.
