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Table 1 ICUs and surgical departments providing VRE infection data for 2007–16 per year from the German national nosocomial infection surveillance system (KISS)

From: Continuous increase of vancomycin resistance in enterococci causing nosocomial infections in Germany − 10 years of surveillance

Year/number (n) 2007/08 2009/10 2011/12 2013/14 2015/16 Totala
Number (n) of ICUs 465 533 645 764 857 1121
Number (n) of surgical departments 432 558 681 919 1119 1412
Nosocomial enterococcal infections
Total number (N) of nosocomial enterococcal infections 2047 2559 2253 2639 3161 12,659
Number of VRE infections, n (% (n/N)) 79 (3.9) 106 (4.1) 143 (6.4) 187 (7.1) 318 (10.1) 833 (6.6)
Total number (N) of enterococcal infections on ICUs 1520 1927 1574 1700 1929 8650
Number of VRE infections on ICUs, n (% (n/N)) 74 (4.9) 90 (4.7) 119 (7.6) 158 (9.3) 229 (11.9) 670 (7.8)
Total number (N) of nosocomial enterococcal infections in surgical wards 527 637 679 939 1232 4009
Number of nosocomial VRE infections in surgical wards, n (% (n/N)) 5 (1.0) 16 (2.5) 24 (3.5) 30 (3.2) 57 (4.6) 132 (3.3)
  1. ICU intensive care unit, VRE vancomycin-resistant enterococci; a Total number of ICUs/surgical departments that reported data for at least 6 month in any year