TABLE II.

Proportion of patients with a prior mammogram who died of breast cancer, by age at death

Age at death (years)	Deaths (n)	Prior mammogram
		(n)	(%)
40	0	0	—
41	0	0	—
42	0	0	—
43	2	1	50
44	2	1	50
45	1	1	100
46	7	4	57.1
47	7	5	71.4
48	12	5	41.7
49	9	6	66.7
50	14	9	64.3
51	17	7	42.2
52	16	7	43.8
53	30	13	43.3
54	20	10	50
55	28	17	60.7
56	28	16	57.1
57	22	10	45.5
58	22	11	50
59	19	11	57.9