Table 3.

Competing Risk for Breast Cancer Mortality Using the Total Population (all races)

	No. of Patients	No. of Events	Estimate	HR±*
Oral Contraceptive
Never use	916	458	(ref)	(ref)
POC	270	135	−2.65	0.07*
COC	7916	3958	0.48	1.61*
POC+COC	530	265	0.74	2.09*

^±Adjusted for marital status, follow-up, year of diagnosis, and age;

^*Significant (p< 0.05)