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Table 1 Age-specific positive rate for intraoperative bone culture of chronic osteomyelites (2003–2014)

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

  Positive-rate(%)
Age group (yr) < 18 18–44 ≥45
Year group (yr)
 2003–2004 25.0 46.4 41.2
 2005–2006 55.6 49.1 61.9
 2007–2008 60.0 68.1 66.7
 2009–2010 75.0 70.0 62.5
 2011–2012 80.0 80.0 78.2
 2013–2014 66.7 70.1 67.8
H value 10.530 18.270 8.811
P value 0.062 0.006* 0.117
  1. *P < 0.05 statistically significant