| No. | Species | Number/(%) | Clinical specimens |
| 1 | Escherichia coli | 70 (75.26) | Blood, urine, wound, pus |
| 2 | Klebsiella pneumoniae | 14 (15.05) | sputum |
| 3 | Enterobacter aerogenes | 6 (6.45) | Blood, urine |
| 4 | Serratia marcescens | 2 (2.15) | sputum |
| 5 | Citrobacter freundii | 1 (1.07) | wound |
|
| Total | 93 |
|