. Author manuscript; available in PMC: 2014 Jan 1.

Published in final edited form as: Breast Cancer Res Treat. 2012 Dec 16;137(2):10.1007/s10549-012-2373-1. doi: 10.1007/s10549-012-2373-1

Table 4.

Univariate analyses for the effect of PTP1B on OS, as well as the interaction effect between PTP1B and other factors (ER and HER2 status, intrinsic subtype)

	Hazard ratio (95 % CI)	p value
All cases
PTP1B ≥5 %	0.763 (0.641–0.908)	0.002
Interaction with ER status		0.019^*
ER⁺	0.693 (0.561–0.858)	0.001
ER^–	1.082 (0.797–1.468)	0.733
Interaction with HER2 status		0.129^*
HER2⁺	0.972 (0.677–1.396)	0.896
HER2^–	0.706 (0.578–0.862)	<0.001
Interaction with intrinsic subtype		0.049^*
Luminal A	0.568 (0.321–1.003)	0.051
Luminal B (HER2^–)	0.661 (0.510–0.856)	0.002
Luminal B (HER2⁺)	0.994 (0.607–1.629)	0.981
HER2 type	0.999 (0.586–1.705)	0.998
Basal-like	1.107 (0.751–1.632)	0.607

p values for interaction terms