Competing risks of death in younger and older postmenopausal breast cancer patients

Table 1 Number of deaths by treatment arm and factor subgroups n (%)

Factor	Number of patients	Breast cancer	Other cause1	P-value2
Treatment
Tamoxifen	329 (50)	50	32
Tamoxifen
+ Octreotide LAR	329 (50)	56	23	0.40
Age
< 70	544 (83)	85	37
≥ 70	114 (17)	21	18	0.004
BMI
< 25	185 (28)	30	7
25-30	221 (34)	29	20
> 30	213 (32)	41	24	0.02
Tumour size
T1	382 (58)	38	26
≥ T2, unknown	276 (42)	68	29	< 0.0001
Nodal status
N0	346 (53)	39	29
N1, N2, Nx	312 (47)	67	26	0.002

¹Nine patients are excluded with unknown type of death;

²P-value is based on Pearson chi-square test.