Table 3.
Microbiological data for patients with a healthcare-associated colonization or infection by an Extended-Spectrum Beta-Lactamase (ESBL)-producing microorganism
| Characteristics of patients | Healthcare-associated group N = 104 (91%) |
|---|---|
| Proportion of clinical samples: | |
| Urinary tract samples | 59 (57) |
| Respiratory tract samples | 22 (21) |
| Wounds swabs | 11 (11) |
| Blood cultures | 10 (10) |
| Others (stool, biopsy) | 2 (2) |
| Isolated microorganisms and types of ESBLs: | |
| Escherichia coli | 69 (66) |
| -CTX-M-1 group | 45 (65) |
| -CTX-M-2 group | 6 (9) |
| -CTX-M-9 group | 5 (7) |
| -TEM | 10 (14) |
| -SHV | 3 (4) |
| Enterobacter spp. | 21 (22) |
| -CTX-M-9 group | 2 (10) |
| -CTX-M-1 group | 1 (5) |
| -TEM+SHV | 14 (67) |
| -TEM | 2 (10) |
| +SHV | 2 (10) |
| Klebsiella spp. | 12 (12) |
| -CTX-M-1 group | 2 (17) |
| -CTX-M-1+SHV | 1 (8) |
| -CTX-M-9 group | 1 (8) |
| -TEM | 2 (17) |
| +SHV | 6 (50) |
| Others | 2 (2) |
| Time elapsed from admission to positive culture: | |
| < 72 hours | 30 (34) |
| 3-7 days | 12 (13) |
| 8-14 days | 19 (21) |
| > 14 days | 28 (31) |