Table 2

Trends in 1-year mortality in patients with UCP or angina from 1987 to 2006 by gender and age

	Period	Number of cases	Observed 1-year mortality, %	Annual decrease, % (95% CI)	Age-adjusted SMR (95% CI)
Unexplained chest pain
Men 25 to 74 years	1987–1991	17 701	2.19		1.67 (1.39 to 1.95)
	1992–1996	23 143	2.05		1.60 (1.36 to 1.83)
	1997–2001	33 733	1.57		1.26 (1.10 to 1.41)
	2002–2006	33 630	1.45		1.09 (0.96 to 1.23)
				3.0 (2.3 to 3.8)
Women 25 to 74 years	1987–1991	11 458	1.85		1.63 (1.27 to 2.00)
	1992–1996	18 999	1.36		1.25 (1.03 to 1.47)
	1997–2001	29073	1.04		1.03 (0.88 to 1.18)
	2002–2006	32 312	0.91	3.9 (2.9 to 5.0)	0.88 (0.75 to 1.00)

Men 75 to 84 years	1987–1991	2223	15.07		1.58 (1.30 to 1.85)
	1992–1996	3047	13.85		1.43 (1.22 to 1.64)
	1997–2001	4430	11.06		1.15 (1.01 to 1.29)
	2002–2006	4674	11.19	2.5 (1.6 to 3.3)	1.14 (1.01 to 1.28)

Women 75 to 84 years	1987–1991	3028	8.78		1.11 (0.93 to 1.29)
	1992–1996	4645	8.37		1.05 (0.91 to 1.19)
	1997–2001	6593	6.63		0.84 (0.75 to 0.93)
	2002–2006	7166	5.53	3.5 (2.6 to 4.4)	0.69 (0.61 to 0.76)
Angina
Men 25 to 74 years	1987–1991	14 862	6.50		2.69 (2.33 to 3.05)
	1992–1996	16 425	4.52		1.85 (1.62 to 2.09)
	1997–2001	17 104	3.43		1.48 (1.29 to 1.67)
	2002–2006	13 210	2.49	6.0 (5.4 to 6.7)	1.09 (0.93 to 1.25)

Women 25 to 74 years	1987–1991	8286	4.80		2.59 (2.06 to 3.12)
	1992–1996	10 420	3.26		1.84 (1.50 to 2.18)
	1997–2001	11 233	2.40		1.43 (1.17 to 1.69)
	2002–2006	7503	1.68	5.9 (4.8 to 7.0)	1.05 (0.81 to 1.29)

Men 75 to 84 years	1987–1991	4560	19.21		2.02 (1.78 to 2.27)
	1992–1996	5456	14.77		1.53 (1.36 to 1.70)
	1997–2001	6321	11.37		1.19 (1.07 to 1.32)
	2002–2006	4568	9.63	5.2 (4.6 to 5.9)	1.00 (0.87 to 1.12)

Women 75 to 84 years	1987–1991	5205	12.28		1.55 (1.36 to 1.75)
	1992–1996	6173	10.03		1.25 (1.11 to 1.39)
	1997–2001	6794	8.26		1.03 (0.92 to 1.14)
	2002–2006	4479	7.26	4.2 (3.4 to 5.0)	0.89 (0.77 to 1.01)

SMR, standardized mortality rate.