Table 2 Types of β-lactamases produced by extended-spectrum β-lactamase (ESBL)-producing Escherichia coli according to the locations of acquisition.
β-lactamase | Total (n = 139) | Hospital-onset (n = 60) | Community-onset | ||
|---|---|---|---|---|---|
Total (n = 79) | Healthcare-associated (n = 46) | Community-associated (n = 33) | |||
CTX-M-14 | 69 (49.6) | 24 (40) | 45 (56.9) | 23 (60.0) | 22 (66.7) |
CTX-M-14 | 17 | 7 | 10 | 6 | 4 |
CTX-M-14 + TEM-1b | 43 | 14 | 29 | 15 | 14 |
CTX-M-14 + OXA-1 | 1 | 0 | 1 | 0 | 1 |
CTX-M-14 + TEM-1b + OXA-1 | 8 | 3 | 5 | 2 | 3 |
CTX-M-15 | 53 (38.1) | 20 (33.3) | 33 (41.8) | 22 (47.8) | 11 (33.3) |
CTX-M-15 | 8 | 2 | 6 | 3 | 3 |
CTX-M-15 + TEM-1b | 16 | 4 | 12 | 7 | 5 |
CTX-M-15 + OXA-1 | 10 | 3 | 7 | 4 | 3 |
CTX-M-15 + TEM-1b + OXA-1 | 19 | 11 | 8 | 8 | 0 |
CTX-M-14 + M-15 | 17 (12.2) | 16 (26.7) | 1 (1.3) | 1 (2.2) | 0 (0) |
CTX-M-14 + M-15 + TEM-1b | 4 | 4 | 0 | 0 | 0 |
CTX-M-14 + M-15 + OXA-1 | 1 | 1 | 0 | 0 | 0 |
CTX-M-14 + M-15 + TEM-1b + OXA-1 | 11 | 10 | 1 | 1 | 0 |
CTX-M-14 + M-15 + TEM-1b + OXA-1 + SHV-1 | 1 | 1 | 0 | 0 | 0 |