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Table 1 Summary of osteoarthritis-related journal articles referring to an animal model

From: Addressing the gaps: sex differences in osteoarthritis of the knee

Year Number of OA animal studies Studies indicating sex % indicating sex Number studying sex
2011 102 2 2 0
2010 156 5 3 0
2009 137 3 2 1
2008 118 3 3 0
2007 110 3 3 0
2006 90 3 3 0
2005 88 7 8 0
2004 91 3 3 0
2003 55 2 4 0
2002 57 1 2 0
2001 39 0 0 0