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Table 3 Results of univariate logistic regression analysis testing for a change in each indicated variable over time

From: Carotid endarterectomy and carotid artery stenting utilization trends over time

Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 1998-2008
N 24,421 24,252 24,646 24,716 23,047 23,011 21,413 21,224 22,555 21,040 23,326 Slope/OR CI P-Value
Age, y
(SE)
70.97
(0.06)
70.95
(0.06)
71.11
(0.06)
71.25
(0.06)
71.25
(0.06)
71.04
(0.06)
70.9
(0.07)
71.03
(0.07)
71.12
(0.06)
71.16
(0.07)
71.06
(0.06)
0.005 -0.007-0.0016 0.41
% Male 57.26 57.64 57.29 57.3 56.92 56.8 57.05 57.42 57.39 57.32 57.72 1.001 0.998-1.003 0.63
% Medicare 71.72 71.73 73.1 73.19 74.68 74.95 73.07 73.7 73.92 73.43 70.98 1.002 1.000-1.005 0.08
% White 92.87 91.92 91.47 89.96 89.82 88.56 89.32 89.98 89.48 87.52 87.28 0.949 0.945-0.953 < 0.0001