Age- and Sex-Specific In-Hospital Mortality after Myocardial Infarction in Routine Clinical Practice

Table 4

In-hospital AMI mortality change across time (1997–2006).

Sex	Age group	HR change (2005-2006 versus 1997-1998)	95% CI		𝑃 value for trend
			Lower	Upper
Males	<55 yrs	0.99	0.88	1.11	0.3690
	55–64 yrs	0.83	0.76	0.90	<.0001
	65–74 yrs	0.72	0.67	0.77	<.0001
	75–84 yrs	0.74	0.70	0.78	<.0001
	>84 yrs	0.69	0.64	0.74	<.0001
Females	<55 yrs	0.65	0.57	0.75	<.0001
	55–64 yrs	0.70	0.63	0.78	<.0001
	65–74 yrs	0.70	0.65	0.75	<.0001
	75–84 yrs	0.67	0.63	0.70	<.0001
	>84 yrs	0.65	0.61	0.68	<.0001