Table 1.

Correlation between clinicopathological features and COL6A1 expression of the 71 BC patients in our cohort.

Clinical features		Total:71（%）	COL6A1 expression		P-value
			negative	positive
Age	＜60	35(49.29%)	9	26
	≥60	36(50.70%)	12	24	0.48171
Gender	Male	49(69.01%)	17	32
	Female	22(30.98%)	4	18	0.15865
T	T1-T2	55(77.46%)	15	40
	T3-T4	16(22.53%)	6	10	0.43031(T1–2 vs. T3–4)
N	N0-N1	51(71.83%)	13	38
	N2-N3	20(28.16%)	8	12	0.22821(N0–1 vs. N2–3)
M	M0	53(74.64%)	19	34
	M1	18(25.35%)	2	16	0.04693