Table 2. The number of patients in NPI+ classes receiving adjuvant systemic therapy.

	Endocrine therapy		Chemotherapy
	Yes	No	Yes	No
Luminal A
Group 1	88	139	13	213
Group 2	62	18	13	67
Group 3	10	5	5	10
Luminal N
Group 1	35	71	7	98
Group 2	10	4	4	10
Luminal B
Group 1	23	29	0	52
Group 2	40	4	6	39
Basal p53 altered
Group 1	15	63	37	41
Group 2	4	21	21	5
Basal p53 normal
Group 1	11	32	19	24
Group 2	6	19	15	10
HER2+/ER+
Group 1	17	10	4	23
Group 2	16	8	8	16
HER2+/ER−
Group 1	18	23	12	29
Group 2	4	11	9	6
Group 3	3	6	7	2

Abbreviations: ER=oestrogen receptor; NPI+=Nottingham prognostic index plus.