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Table 7 Resistance rates(%) of Escherichia coli to antimicrobial agents

From: Bacterial resistance trends among intraoperative bone culture of chronic osteomyelitis in an affiliated hospital of South China for twelve years

Antimicrobial agent 2003–2004
(n = 0)
2005–2006
(n = 4)
2007–2008
(n = 3)
2009–2010
(n = 7)
2011–2012
(n = 8)
2013–2014
(n = 9)
Amikacin 25.0 0 14.3 25.0 0
Gentamicin 50.0 100.0 57.1 50.0 22.2
Piperacillin 100.0 100.0 100.0 87.5 88.9
Cefazolin 50.0 100.0 100.0 75.0 88.9
Cefuroxime 75.0 100.0 100.0 75.0 100.0
cefotaxime 25.0 100.0 100.0 75.0 77.8
Ceftazidime 0 100.0 100.0 75.0 33.3
Cefepime 0 100.0 100.0 75.0 66.7
Ciprofloxacin 25.0 66.7 100.0 50.0 44.4