| No. | Species | Number/(%) | Clinical specimens |
| 1 | Escherichia coli | 74 (75.51) | Blood, urine, wound |
| 2 | Klebsiella pneumoniae | 15 (15.3) | Sputum, urine, wound, blood |
| 3 | Enterobacter aerogenes | 5 (5.1) | Blood, urine |
| 4 | Serratia marcescens | 3 (3.06) | Urine, blood, wound |
| 5 | Citrobacter freundii | 1 (1.02) | Urine |
|
| Total | 98 |
|