Table 3.

Trends in the incidence (per 100,000 persons per year) and hospital mortality (%) of hospitalized acute myocardial infarction from 1995 to 2000 based on the national hospital discharge register and based on linked registers

		Trends in incidence				Trends in hospital mortality
		Risk difference		Relative risk		Risk difference		Relative risk
	Age	Hospital register	Linked registers	Hospital register	Linked registers	Hospital register	Linked registers	Hospital register	Linked registers
Men	<30	0 (0 to 1)	0 (0 to 1)	1.16 (0.80 to 1.68)	1.36 (0.83 to 2.22)	5.0 (−2.5 to 12.5)	7.2 (−4.9 to 19.4)	3.59 (0.41 to 31.07)	3.03 (0.36 to 25.62)
	30–39	−1 (−6 to 4)	1 (−4 to 5)	0.98 (0.87 to 1.10)	1.02 (0.88 to 1.18)	−0.4 (−2.5 to 1.6)	0.7 (−1.7 to 3.1)	0.87 (0.44 to 1.72)	1.30 (0.53 to 3.20)
	40–49	−28 (−39 to −17)	−30 (−41 to −19)	0.87 (0.82 to 0.92)	0.83 (0.77 to 0.89)	−0.1 (−1.1 to 0.9)	−1.2 (−2.4 to 0.0)	0.97 (0.71 to 1.33)	0.69 (0.46 to 1.02)
	50–59	−102 (−122 to −83)	−78 (−97 to −59)	0.80 (0.77 to 0.83)	0.81 (0.77 to 0.85)	−0.7 (−1.5 to 0.1)	−0.6 (−1.5 to 0.4)	0.84 (0.68 to 1.04)	0.86 (0.67 to 1.12)
	60–69	−211 (−242 to −181)	−181 (−210 to −152)	0.76 (0.73 to 0.79)	0.75 (0.72 to 0.79)	−1.2 (−2.3 to −0.2)	−1.2 (−2.4 to 0.0)	0.86 (0.75 to 0.98)	0.86 (0.73 to 1.00)
	70–79	−218 (−265 to −172)	−186 (−229 to −143)	0.82 (0.79 to 0.86)	0.82 (0.78 to 0.86)	−1.7 (−3.2 to −0.2)	−1.7 (−3.5 to 0.0)	0.90 (0.82 to 0.99)	0.90 (0.81 to 1.00)
	80–89	−110 (−192 to −28)	−121 (−196 to −45)	0.91 (0.85 to 0.98)	0.88 (0.82 to 0.95)	−3.8 (−6.8 to −0.8)	−3.0 (−6.4 to 0.4)	0.87 (0.77 to 0.97)	0.89 (0.79 to 1.01)
	≥90	−276 (−470 to −81)	−196 (−370 to −23)	0.67 (0.51 to 0.89)	0.70 (0.51 to 0.96)	12.3 (−1.3 to 26.0)	18.1 (2.9 to 33.3)	1.35 (0.97 to 1.89)	1.56 (1.07 to 2.26)
Total	Crude	−32 (−37 to −27)	−31 (−36 to −27)	0.87 (0.86 to 0.89)	0.86 (0.84 to 0.88)	−1.1 (−1.8 to −0.5)	−1.1 (−1.8 to −0.4)	0.89 (0.84 to 0.95)	0.90 (0.84 to 0.96)
	Adj1	−48 (−53 to −43)	−46 (−51 to −41)	0.82 (0.80 to 0.83)	0.80 (0.78 to 0.82)	−1.2 (−1.8 to −0.6)	−1.2 (−1.9 to −0.5)	0.89 (0.84 to 0.94)	0.89 (0.83 to 0.96)
Women	<30	0 (0 to 1)	0 (0 to 1)	1.21 (0.64 to 2.32)	3.34 (1.09 to 10.23)	−0.9 (−15.6 to 13.8)	−17.3 (−62.1 to 28)	0.85 (0.06 to 12.59)	0.31 (0.02 to 3.88)
	30–39	2 (−1 to 4)	0 (−2 to 3)	1.20 (0.94 to 1.53)	1.05 (0.78 to 1.42)	−3.5 (−8.9 to 2.0)	−2.8 (−9.1 to 3.6)	0.50 (0.17 to 1.49)	0.55 (0.13 to 2.22)
	40–49	8 (3 to 13)	6 (0 to 11)	1.22 (1.07 to 1.38)	1.18 (1.01 to 1.37)	1.3 (−1.5 to 4.2)	1.6 (−1.9 to 5.1)	1.27 (0.75 to 2.17)	1.31 (0.71 to 2.40)
	50–59	−18 (−27 to −8)	−15 (−24 to −6)	0.84 (0.77 to 0.92)	0.84 (0.76 to 0.94)	0.0 (−1.9 to 2.0)	−0.2 (−2.6 to 2.1)	1.01 (0.68 to 1.04)	0.96 (0.61 to 1.51)
	60–69	−64 (−81 to −46)	−66 (−83 to −50)	0.79 (0.74 to 0.84)	0.75 (0.69 to 0.80)	−0.8 (−2.6 to 1.1)	−0.9 (−2.9 to 1.2)	0.92 (0.75 to 0.98)	0.90 (0.71 to 1.15)
	70–79	−109 (−136 to −83)	−90 (−116 to −64)	0.81 (0.77 to 0.85)	0.82 (0.77 to 0.86)	−2.1 (−4.0 to −0.2)	−1.9 (−4.1 to 0.3)	0.89 (0.82 to 0.99)	0.90 (0.79 to 1.02)
	80–89	−107 (−149 to −64)	−94 (−134 to −54)	0.86 (0.81 to 0.91)	0.85 (0.80 to 0.91)	−2.0 (−4.8 to 0.7)	−2.5 (−5.7 to 0.6)	0.93 (0.77 to 0.97)	0.92 (0.83 to 1.02)
	≥90	−40 (−125 to 44)	−41 (−121 to 39)	0.92 (0.77 to 1.10)	0.90 (0.75 to 1.10)	−9.0 (−17.6 to −0.5)	−6.2 (−15.5 to 3.1)	0.78 (0.97 to 1.89)	0.85 (0.66 to 1.09)
Total	Crude	−15 (−18 to −12)	−15 (−18 to −12)	0.87 (0.85 to 0.90)	0.86 (0.84 to 0.88)	−1.8 (−2.9 to −0.7)	−1.6 (−2.9 to −0.3)	0.90 (0.84 to 0.95)	0.91 (0.85 to 0.98)
	Adj1	−18 (−22 to −15)	−18 (−21 to −14)	0.85 (0.82 to 0.87)	0.83 (0.81 to 0.86)	−1.6 (−2.7 to −0.5)	−1.6 (−2.9 to −0.4)	0.91 (0.85 to 0.97)	0.91 (0.85 to 0.98)

¹ Pooled age-adjusted risk difference or ratio (with 95% confidence interval)