Table 2 Etiology-specific positive rate for intraoperative bone culture of chronic osteomyelites (2003–2014)
Pathogenesis | Positive-rate(%) | |||
|---|---|---|---|---|
traumatic | adjacent infection | hematogenic | others | |
Year group | ||||
 2003–2004 | 53.8 | 16.7 | 27.31 | 35.7 |
 2005–2006 | 50.9 | 37.5 | 57.1 | 66.7 |
 2007–2008 | 68.4 | 55.6 | 100.0 | 63.6 |
 2009–2010 | 69.1 | 66.7 | 80.0 | 61.3 |
 2011–2012 | 88.7 | 70.6 | 90.0 | 64.3 |
 2013–2014 | 79.7 | 50.0 | 100.0 | 59.0 |
H value | 28.081 | 6.900 | 16.686 | 4.191 |
P value | 0.000* | 0.228 | 0.005* | 0.522 |