Table 3.

Probabilty of 5-year survival as function of age at time of surgery (from Haberman data set)

Age range	Subjects	Alive after 5 years	Probability alive at 5 years
30–34	14	12	0.86
35–39	26	24	0.92
40–44	40	28	0.70
45–49	44	29	0.66
50–54	56	38	0.68
55–59	43	35	0.81
60–64	35	26	0.74
65–69	27	18	0.67
70–74	16	12	0.75
75–79	4	3	0.75