Assessment of the prognostic and predictive utility of the Breast Cancer Index (BCI): an NCIC CTG MA.14 study

Breast Cancer Research

Table 1 Baseline patient and tumor characteristics

	Tamoxifen-treated (n = 146)		Tamoxifen + octreotide–treated (n = 146)		Total (n = 292)
	Number	%	Number	%	Number	%
Age, yr
<60	71	49	65	45	136	47
≥60	75	51	81	55	156	53
Race
Caucasian	142	97	137	94	279	96
Non-Caucasian	4	3	9	6	13	4
Performance status
0, unknown	106	73	118	81	224	77
1, 2	40	27	28	19	68	23
Tumor pathologic classification
0, 1, in situ	87	60	91	62	178	61
2, 3A, 4, unknown	59	40	55	38	114	39
Node pathology classification
0	74	51	75	51	149	51
1, 2, unknown	72	49	71	49	143	49
Breast surgery type
Total mastectomy	50	34	58	40	108	37
Other, segmental mastectomy	96	66	88	60	184	63
Number of positive axillary nodes (R)
0	75	51	74	51	149	51
1–3, 4+, unknown	71	49	72	49	143	49
Estrogen/progesterone receptor status (R)
Negative, unknown	14	10	10	7	24	8
Positive	132	90	136	93	268	92
Adjuvant chemotherapy (R)
None	96	66	94	64	190	65
Concurrent, sequential	50	34	52	36	102	35

ISSN: 1465-542X