Table 2. Summary of patient, tumour and treatment characteristics by age (years) of patient.

	<40	40–49	50–59	60–69	70+
Number of patients	149	304	194	89	14
Pathological size (mean) (mm)	23.0	23.6	21.6	24.4	29.2
% T1	33	32	41	38	29
% T2	61	59	54	55	64
% node negative	45	30	30	24	14
% 1–3 node positive	48	52	58	53	43
% 4–9 node positive	6	15	11	15	21
% grade 3	75	65	61	71	85
% ER positive/rich	38	54	55	43	50
% given tamoxifen	40	45	58	68	83
% post menopausal	3	6	51	100	100
% mastectomy	36	40	41	44	50
% mastectomy patients given radiation therapy	53	61	46	69	71
% completed six courses	93	93	94	92	79
% achieving 85% dose intensity	23	21	23	11	9
5-year survival (%)	65.5	78.9	78.9	70	68.3

ER, Oestrogen receptor; XRT, Radiotherapy.