6B. Association of CD151 and/or α3β1 and tumour characteristics.

	α3β1 (high: n=38)	CD151 (high: n=47)	CD151/α3β1 (high: n=32)
α3β1		0.018
CD151	0.018
Tumour size (T1 vs T2–4)	0.312	0.035	0.892
Grade	0.079	0.342	0.029
HER2	NAa	NAa	NAa
ER	0.377	0.999	0.192
PR	NAb	NAb	NAb

Abbreviations: ER/PR=oestrogen receptor/progesterone receptor; NA=not analysed.

^aAll tumours were HER2 negative.

^bLack of data for 45 cases. The bold values are statistically significant.