a decreasing trendP <.001
A decreasing trend for in-hospital mortality was seen from 18.1% in 2003 to 15.1% in 2010 (unadjusted OR [per year], 0.970; 95% CI, 0.967-0.973; P <.001) ( Figure 3A ).
A decreasing trend for in-hospital mortality was seen from 18.1% in 2003 to 15.1% in 2010 (unadjusted OR [per year], 0.970; 95% CI, 0.967-0.973; P <.001) ( Figure 3A ).