Table 1.

Absolute risk of prostate cancer death by 15 and 20 years of follow-up, and cumulative proportion of prostate cancer deaths, with 95% confidence interval, by PSA levels in cryopreserved blood collected at age 50 or 60 in the Västerbotten Intervention project.

	PSA, ng/ml	Risk of prostate cancer death		Cumulative proportion of prostate cancer deaths, with 95% CI
		15 years	20 years
Age 50
Top Decile	>2.0	0.82 (0.41, 1.49)	1.34 (0.72, 2.28)	46% (29%, 63%)
Top Quartile	>1.3	0.45 (0.26, 0.75)	0.95 (0.59, 1.45)	75% (61%, 89%)
Second Quartile	0.8–1.3	0 (NA)	0.17 (0.04, 0.54)	91% (81%, 100%)
Third Quartile	0.6–0.8	0.04 (0.00, 0.27)	0.08 (0.01, 0.34)	97% (92%, 100%)
Fourth Quartile	<0.6	0 (NA)	0 (NA)	100%
Below Median	<0.8	0.02 (0.00, 0.14)	0.04 (0.01, 0.17)
PSA less than 1	<1.0	0.02 (0.00, 0.11)	0.03 (0.01, 0.14)
Overall		0.13 (0.07, 0.21)	0.32 (0.21, 0.46)
Age 60
Top Decile	>4.0	4.63 (3.48, 6.02)	8.09 (6.08, 10.45)	53% (45%, 62%)
Top Quartile	>2.3	2.61 (2.04, 3.29)	4.75 (3.74, 5.92)	72% (65%, 80%)
Second Quartile	1.2–2.3	0.57 (0.31, 0.99)	1.32 (0.77, 2.12)	90% (85%, 95%)
Third Quartile	0.7–1.2	0.30 (0.12, 0.66)	0.57 (0.26, 1.14)	97% (95%, 100%)
Fourth Quartile	<0.7	0.09 (0.01, 0.40)	0.25 (0.07, 0.71)	100%
Below Median	<1.2	0.20 (0.09, 0.40)	0.42 (0.22, 0.74)
PSA less than 1	<1.0	0.18 (0.07, 0.41)	0.37 (0.18, 0.70)
Overall		0.92 (0.74, 1.13)	1.78 (1.46, 2.16)