Table 2.

Predictors of Breast Cancer and All-Cause Mortality in Women with Breast Cancer

	Breast cancer mortality			All-cause mortality
Characteristic	HR	CI	p	HR	CI	p
Ethnicity
Japanese	1.00			1.00
Caucasian	0.39	0.13-1.16	0.09	1.03	0.60-1.75	0.92
Chinese	2.28	0.86-6.03	0.10	1.49	0.81-2.76	0.20
Filipino	1.68	0.50-5.67	0.40	1.76	0.79-3.95	0.17
Hawaiian	0.60	0.20-1.86	0.38	1.29	0.66-2.53	0.45
Other	1.57	0.45-5.44	0.48	1.52	0.72-3.20	0.27
Age at diagnosis (years)
25–<50	1.00			1.00
50–<60	2.48	0.83-7.42	0.10	1.07	0.47-2.48	0.87
60–<70	1.60	0.41-6.32	0.50	1.19	0.46-3.07	0.72
70–95	1.08	0.26-4.51	0.92	3.19	1.28-7.93	0.01
Menopausal status
Premenopausal	1.00			1.00
Postmenopausal	0.80	0.28-2.33	0.69	1.19	0.52-2.72	0.69
Body mass index (kg/m2)
<18.5	2.16	0.64-7.35	0.22	0.99	0.41-2.38	0.99
18.5–<25	1.00			1.00
25–<30	0.92	0.38-2.23	0.85	0.98	0.60-1.60	0.94
≥30	2.99	1.22-7.33	0.02	2.06	1.23-3.44	0.006
Tumor stage
0–I	1.00			1.00
IIA	3.08	1.14-8.33	0.03	1.84	1.05-3.22	0.03
IIB–IV	11.2	4.97-25.3	<0.0001	3.72	2.27-6.09	<0.0001
Hormonal status
ER+/PR+	1.00			1.00
ER+/PR− and ER−/PR+	1.08	0.35-3.32	0.90	1.58	0.80-3.12	0.19
ER−/PR−	0.88	0.39-2.01	0.76	1.07	0.62-1.86	0.80
PDQa
No	1.00			1.00
Yes	0.26	0.10-0.65	0.004	0.50	0.32-0.79	0.003
Yes+	0.75	0.32-1.74	0.51	0.72	0.42-1.21	0.21
High toxicity
No	1.00			1.00
Yes	2.13	0.94-4.84	0.07	1.27	0.69-2.33	0.44
Comorbidity
No	1.00			1.00
Yes	1.10	0.50-2.41	0.82	2.19	1.46-3.28	0.0002
Health insurance
Fee for service	1.00			1.00
HMO	1.66	0.85-3.25	0.14	1.23	0.81-1.87	0.32

Multivariate Cox's model adjusted for all other variables (hazard ratios and 95% confidence intervals).

^aAdherence to treatment guidelines according to Physicians Data Query; Yes+ indicates additional treatments.