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. 2018 Jan 31;15(1):131–133. doi: 10.1016/j.jor.2018.01.026

Table 1.

Patient Distribution Across Matched Variables Among Cases (Dislocation) and Controls (No Dislocation).

Matched Variables No Dislocation
Dislocation
p-value
N % N %
Surgeon 0.7487
1 9 3.5 3 4.9
2 29 11.7 8 11.9
3 5 2.0 0 0
4 6 2.4 1 1.5
5 15 6.1 5 7.5
6 61 24.7 16 23.9
7 4 1.6 1 1.5
8 8 3.2 2 3.0
9 11 4.5 3 4.5
10 4 1.6 1 1.5
11 2 0.8 1 1.5
12 15 5.9 4 6.0
13 11 4.5 3 4.5
14 3 1.2 1 1.5
15 7 2.8 3 4.5
16 4 1.6 1 1.5
17 2 0.8 0 0
18 35 14.2 10 14.9
19 16 6.5 4 6.0
Year of surgery 0.4014
2002 13 5.3 5 7.5
2003 52 21.1 15 22.4
2004 23 9.3 6 9.0
2005 22 8.9 7 10.4
2006 27 10.9 9 13.4
2007 13 5.3 1 1.5
2008 32 13.0 8 11.9
2009 23 9.3 5 7.5
2010 26 10.5 6 9.0
2011 12 4.9 3 4.5
2012 4 1.6 1 1.5