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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