Basal-like grade III invasive ductal carcinoma of the breast: patterns of metastasis and long-term survival

Breast Cancer Research

Table 5 Number and sites of metastases and time taken for metastases to develop in 'basal' versus 'non-basal' tumours

Site of metastasis	Number		5-year proportion free of metastases		Hazard ratio	p value
	Basal	Non-basal	Basal	Non-basal	(95% CI)
All sites
No	51	169	59%	55%	0.65 (0.48–0.88)	0.005
Yes	37	186
Bone
No	74	245	85%	73%	0.49 (0.28–0.86)	0.01
Yes	14	109
Liver
No	76	265	86%	77%	0.53 (0.29–0.97)	0.035
Yes	12	89
Brain
No	75	327	85%	93%	1.92 (0.27–1.01)	0.051
Yes	13	27
Lung/pleura
No	65	261	73%	77%	0.92 (0.58–1.46)	0.72
Yes	23	93
Skin
No	79	316	87%	90%	0.94 (0.45–1.95)	0.87
Yes	9	38
Pericardial/mediastinum
No	84	342	94%	97%	1.23 (0.39–3.83)	0.72
Yes	4	12
Nodes (non-regional)
No	83	293	93%	84%	0.31 (0.13–0.78)	0.008
Yes	5	61

ISSN: 1465-542X