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Table 5 Co-resistance of carbapenem non-susceptible K. pneumoniae isolates (n = 966) against other antibiotics

From: Carbapenem non-susceptibility of Klebsiella pneumoniae isolates in hospitals from 2011 to 2016, data from the German Antimicrobial Resistance Surveillance (ARS)

  Isolates from all laboratories Isolates from laboratories that routinely test against the specified antibiotica
Tested against Included isolates Non-susceptible isolates, % (95%CI)b Included isolates Non-susceptible isolates, % (95%CI)b
Ampicillin/ Sulbactam 871 93.0% (90.3, 95.0%) c c
Piperacillin/ Tazobactam 950 90.7% (87.4, 93.2%) c c
Ceftazidime 954 88.7% (85.8, 91.0%) c c
Cefotaxime 908 88.3% (85.0, 91.0%) c c
Polymyxin/ Colistin 435 13.3% (9.8, 17.9%) 214 14.0% (8.8, 21.7%)
Tigecycline 865 56.6% (51.0, 62.1%) 709 55.6% (49.1, 61.8%)
Fosfomycin 632 47.0% (40.6, 53.5%) 319 46.7% (36.2, 57.5%)
Gentamicin 960 57.8% (53.0, 62.4%) c c
Co-Trimoxazole 961 62.7% (57.6, 67.6%) c c
Ciprofloxacin 959 82.0% (78.4, 85.0%) c c
Nitrofurantoin 313 82.7% (76.3, 87.7%) 99 72.7% (60.0, 82.6%)
  1. R resistant, I intermediate, CI confidence interval
  2. aAnalysis restricted to laboratories that test > 90% of isolates against the specified antibiotic
  3. b95% CI calculated accounting for clustering by hospital
  4. cAntibiotic is routinely tested in all laboratories (> 90% of all isolates tested)