Improved treatment and prognosis after acute myocardial infarction in Estonia: cross-sectional study from a high risk country

Table 6 Mortality of acute myocardial infarction patients primarily hospitalized into tertiary and secondary care hospitals

Mortality	2001	2007	2011	P value for trend, unadjusted	HR (95 % CI) change per year, unadjusted	P value for trend, adjusted^a	HR (95 % CI) change per year, adjusted^a
Mortality	%	%	%	P value for trend, unadjusted	HR (95 % CI) change per year, unadjusted	P value for trend, adjusted^a	HR (95 % CI) change per year, adjusted^a
30-day
Tertiary care hospitals	17.6	13.1	13.2	0.181	0.97 (0.926–1.015)	0.061	0.96 (0.913–1.002)
Secondary care hospitals	20.2	22.5	12.4	0.022	0.96 (0.920–0.994)	0.003	0.94 (0.904–0.980)
1-year
Tertiary care hospitals	29.5	24.5	20.2	0.026	0.96 (0.928–0.995)	0.004	0.95 (0.917–0.984)
Secondary care hospitals	32.4	35.0	23.1	0.026	0.97 (0.938–0.996)	0.006	0.95 (0.918–0.977)

^aadjusted for age, sex, AMI subtype (STEMI vs NSTEMI), previous myocardial infarction, previous heart failure, diabetes, hypertension
STEMI ST-segment elevation myocardial infarction, NSTEMI Non-ST-segment elevation myocardial infarction, HR hazard ratio, CI confidence interval

ISSN: 1471-2261