Table 2.

Projected absolute risk (%) of developing breast cancer within 5, 10, 20, or 30 years, by relative risk, initial age, and years of follow-up for Chinese American women^*

		Projected absolute risk, %
		Relative risk
Initial age, y	Years of follow-up	1	2	5	10
20	5	0	0	0	0.01
	10	0.01	0.02	0.06	0.12
	20	0.17	0.35	0.86	1.72
	30	0.73	1.46	3.61	7.09
30	5	0.04	0.09	0.22	0.45
	10	0.16	0.32	0.80	1.60
	20	0.72	1.44	3.56	6.99
	30	1.55	3.08	7.52	14.47
40	5	0.22	0.43	1.08	2.14
	10	0.56	1.12	2.79	5.49
	20	1.4	2.77	6.79	13.11
	30	2.22	4.40	10.63	20.11
50	5	0.36	0.71	1.77	3.5
	10	0.84	1.68	4.14	8.12
	20	1.68	3.33	8.12	15.57
	30	2.49	4.92	11.84	22.23
60	5	0.42	0.83	2.07	4.09
	10	0.86	1.71	4.21	8.25
	20	1.69	3.35	8.16	15.63
70	5	0.45	0.89	2.22	4.39
	10	0.88	1.75	4.32	8.46

^*The projected absolute risks for Japanese, Filipino, native Hawaiian, Other Pacific Islander, and Other Asian women are shown in Supplementary Tables 3–7 (available online), respectively. Initial age is the age at counseling.