Table 5.

Adjusted 30-day relative mortality risk compared with 2006/2007 subgroup.

Variables	No. of patients	No. (%) of deaths	P	Adjusted risk ratio* (95%CI)
STEMI (n=19483)
2006–2007	3114	378 (12.1%)		1.00
2008–2009	3213	362 (11.3%)	.281	0.919 (0.788–1.071)
2010–2011	4889	474 (9.7%)	.001	0.777 (0.673–0.897)
2012–2013	8267	798 (9.7%)	<.001	0.773 (0.679–0.881)