Table 2.

Association between cause of death and age among women with I–III breast cancer.

Characteristics	Age 70–74 (n = 169)		Age 75–79 (n = 141)		Age ≥80 (n = 97)
	No. of patients	%	No. of patients	%	No. of patients	%	p
Status at end of follow-up period							0.022
Alive	143	84.6	106	75.2	69	71.1
Dead	26	15.4	35	24.8	28	28.9
Among women who died							0.384
Death due to breast cancer	11	42.3	13	35.3	7	25.0
Death due to other causes	15	57.7	22	64.7	21	75.0