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Table 4 The most commonly used initial empiric antibiotic regimens (percent) through three time periods

From: Trends in antimicrobial resistance and empiric antibiotic therapy of bloodstream infections at a general hospital in Mid-Norway: a prospective observational study

Initial antibiotic regimen 2002–2005 (n = 582) 2006–2009 (n = 638) 2010–2013 (n = 775)
Cefotaxime 18.1 18.2 15.7
Penicillin/ampicillin-gentamicin 14.1 14.6 19.9
Penicillin 14.1 14.3 8.1
Piperacillin-tazobactam 0 8.6 17.3
Cefuroxime-metronidazole 9.8 8.1 4.1
Cefotaxime-metronidazole 3.6 5.6 5.5
Mecillinam 5.0 4.7 4.9
Cefuroxime 9.8 3.4 1.2
Penicillin-gentamicin-metronidazole 5.9 3.4 1.7
  1. A complete table showing initial treatment in 1995 bloodstream infection episodes is found in Additional file 1: Table S8