TABLE 1.
Centers included in the study, periods of isolation of CTX-M-3-producing organisms, and numbers of isolates recovered in particular institutions
| Centera | Location | Type of center | Time of collection (mo.yr) | No. of isolates
|
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | K. pneumoniae | K. oxytoca | E. coli | E. cloacae | C. freundii | S. marcescens | M. morganii | ||||
| BB | Bielsko-Biała | Secondary hospital | 11.99–04.00 | 10 | 5 | 2 | 3 | ||||
| CZ | Czȩstochowa | Secondary hospital | 09.99–01.00 | 14 | 8 | 1 | 1 | 1 | 3 | ||
| GD | Gdańsk | Secondary hospital | 04.98 | 1 | 1 | ||||||
| KA | Kartuzy | Primary hospital | 04.98 | 1 | 1 | ||||||
| KR | Cracow | Tertiary teaching hospital | 03.98–05.98 | 2 | 1 | 1 | |||||
| SU | Suwałki | Secondary hospital | 08.99–03.00 | 12 | 7 | 4 | 1 | ||||
| SZ | Szczecin | Tertiary teaching hospital | 03.98–06.98 | 5 | 4 | 1 | |||||
| WA I | Warsaw | Tertiary specialist hospital | 09.98–10.98 | 9 | 1 | 1 | 2 | 4 | 1 | ||
| WA II | Warsaw | Tertiary specialist hospital | 10.99 | 2c | 2 | ||||||
| WA III | Warsaw | Tertiary specialist hospital | 10.99–04.00 | 3 | 2 | 1 | |||||
| WA IV | Warsaw | Outpatients clinicb | 11.99–02.00 | 3 | 1 | 1 | 1 | ||||
| WA V | Warsaw | Tertiary teaching hospital | 03.98–05.98 | 7 | 1 | 2 | 3 | 1 | |||
| WA VI | Warsaw | Tertiary specialist hospital | 03.98–05.98 | 2 | 2 | ||||||
| WO | Wołomin | Primary hospital | 10.99–06.00 | 8 | 3 | 1 | 1 | 1 | 1 | 1 | |
| WR | Wrocław | Tertiary teaching hospital | 03.98–05.98 | 5 | 1 | 1 | 1 | 2 | |||
a
Tertiary specialist hospitals WA I, WA II, WA III, and WA VI are reference centers that specialize in hematology, oncology, rheumatology, and pediatrics, respectively.
b
Isolates identified in the outpatient clinic of WA IV were collected from patients who had been hospitalized shortly before strain identification.
c
Two K. pneumoniae isolates were collected from the same patient.