Table 2.
Deep infection rates by study year
| 2005 | 1.14% (2/175) |
| 2006 | 1.50% (3/200) |
| 2007 | 2.0% (5/254) |
| 2008 | 0.36% (1/275) |
| 2009 | 0.98% (3/306) |
| 2010 | 0.33% (1/302) |
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