. 2014 Dec 22;66(3):409–419. doi: 10.1111/his.12572

Table 5.

Risk of death from invasive lobular grade 2 compared to invasive ductal carcinoma grade 2

Tumour characteristics	Number of cases	Deaths from breast cancer	HR 95% CI		HR 95% CI		HR 95% CI		HR 95% CI
Tumour characteristics	Number of cases	Deaths from breast cancer	Unadjusted		Adjusted for age		Adjusted for stage		Adjusted for time period of diagnosis (10-year intervals)
ER⁺
Ductal	297	100	1.00		1.00		1.00		1.00
Lobular	88	37	1.71	1.17–2.50	1.68	1.14–2.47	1.97	1.33–2.91	1.82	1.24–2.68
	385	137
Ki67^low
Ductal	224	71	1.00		1.00		1.00		1.00
Lobular	70	30	2.01	1.31–3.01	1.95	1.26–3.03	2.20	1.42–3.43	2.03	1.31–3.14
	294	101
HER2⁻
Ductal	287	97	1.00		1.00		1.00		1.00
Lobular	93	39	1.76	1.21–2.56	1.74	1.19–2.55	1.98 1.30–2.90	1.22–2.60	1.78	1.22–2.60
	380	136
ER⁺, Ki67^low and HER2⁻
Ductal	201	61	1.00		1.00		1.00		1.00
Lobular	56	24	2.16	1.34–3.49	2.04	1.25–3.34	2.45	1.50–4.01	2.31	1.42–3.76
	257	85

HR, hazard ratio; CI, confidence interval; HER2, human epidermal growth factor receptor 2.