Table 1. Description of vancomycin-resistant Enterococcus faecium ST796 outbreak isolates in four different hospitals, Canton of Bern, Switzerland, 30 December 2017–30 April 2018, (n= 89).
| All patients (N = 89) |
VRE isolates ST796 (n = 77) |
Other VRE isolates STa,b (n = 15) |
||||
|---|---|---|---|---|---|---|
| n | % | n | % | n | % | |
| Mean age (median) | 67.9 | 69 | 68.9 | 71 | 62.1 | 64.5 |
| Female | 38 | 42.7 | 34 | 44.2 | 3 | 20 |
| Resistance type vanB | 81 | 91 | 77 | 100 | 7 | 46.7 |
| University hospital | 74 | 83.1 | 63 | 81.8 | 14 | 93.3 |
| Haemato-oncology | 28 | 31.5 | 27 | 35.1 | 2 | 13.3 |
| Invasive infectionc | 7 | 7.9 | 7 | 9.1 | 1 | 6.7 |
| BSI | 5 | 5.6 | 5 | 6.5 | 0 | 0 |
| Community hospital 1 | 2 | 2.2 | 2 | 2.6 | 0 | 0 |
| Community hospital 2 | 9 | 10.1 | 8 | 10.4 | 1 | 6.7 |
| Rehabilitation centre | 4 | 4.5 | 4 | 5.2 | 0 | 0 |
BSI: bloodstream infection; ST: sequence type; VRE: vancomycin-resistant enterococci.
a The VRE isolate was not sequenced in one patient. Four patients had dual infection.
b MLST types ST117, ST555, ST78, ST17, ST80.
c Bloodstream infections (n = 5); abdominal abscess (n = 1); deep wound infection (n = 1). All invasive isolates were detected in the university hospital.