Age- and Sex-Specific In-Hospital Mortality after Myocardial Infarction in Routine Clinical Practice
Table 5
Univariate (unadjusted) and multivariable (adjusted) Cox regression analysis models for in-hospital AMI mortality NIS year and age group: female versus male (male = reference).
Year 1997-1998
Year 1999-2000
Year 2001-2002
Year 2003-2004
Year 2005-2006
value for sex-time trend
value for sex-time-age trend
Age Group
RR
95% CI
RR
95% CI
RR
95% CI
RR
95% CI
RR
95% CI
MODEL I: Unadjusted
<55 yrs
1.81
1.62–2.03
1.60
1.43–1.79
1.43
1.28–1.60
1.52
1.35–1.71
1.23
1.08–1.39
<.001
55–64 yrs
1.38
1.27–1.49
1.25
1.15–1.35
1.24
1.14–1.35
1.26
1.15–1.37
1.21
1.09–1.33
.131
65–74 yrs
1.11
1.06–1.17
1.11
1.05–1.17
1.06
1.00–1.13
1.08
1.02–1.14
1.09
1.02–1.17
.506
75–84 yrs
1.03
0.99–1.07
1.02
0.98–1.06
1.03
0.99–1.08
1.00
0.96–1.05
0.98
0.93–1.04
.188
>84 yrs
0.98
0.94–1.04
0.93
0.88–0.98
0.95
0.90–1.00
1.01
0.96–1.06
0.97
0.92–1.02
.760
MODEL II: Adjusted for demographic and clinical characteristics
<55 yrs
1.47
1.31–1.67
1.37
1.21–1.54
1.16
1.03–1.32
1.26
1.11–1.43
1.03
0.90–1.18
<.001
55–64 yrs
1.23
1.13–1.34
1.10
1.01–1.21
1.08
1.00–1.18
1.08
0.98–1.18
1.06
0.95–1.17
.010
65–74 yrs
1.09
1.03-1.15
1.09
1.03–1.15
1.04
0.98–1.10
1.03
0.98–1.10
1.06
0.99–1.14
.294
75–84 yrs
1.05
1.00–1.09
1.03
0.99–1.08
1.04
0.99–1.09
1.01
0.96–1.05
0.99
0.94–1.04
.047
>84 yrs
1.00
0.95–1.05
0.94
0.90–0.99
0.95
0.90–1.00
0.99
0.95–1.04
0.95
0.90–1.00
.620
MODEL III: Adjusted for demographic, clinical characteristics and hospital factors
