Table 2.

Median overall survival (MOS)* for female breast cancer patients

	Factor	Level	n	MOS	Lower	Upper
Group factors	All Patients		976178	14.75	14.69	14.84
Demographic	Age (Years)	18-49	252080	>14.99	N/A	N/A
		50-64	354102	>14.99	14.94	N/A
		65-74	192042	13.59	13.48	13.73
		≥75	177954	7.14	7.1	7.18
	Race	White	851863	14.77	14.71	14.86
		Black	98641	13.25	13.03	13.66
		Others	25674	>14.95	N/A	N/A
	Education (%), did not graduate from high school	≥29	144440	13.5	13.35	13.74
		20-28	202583	14.09	13.95	14.16
		14-19	217587	14.49	14.37	14.64
		<14	366118	14.92	14.9	N/A
Clinical characteristic	Stage	Stage I	468222	14.99	14.92	N/A
		Stage II	361618	14.78	14.69	14.94
		Stage III	101260	7.81	7.7	7.91
		Stage IV	45078	1.7	1.67	1.73
	Charlson Comorbidity	0	375270	10.33	10.16	N/A
		1	41661	9.6	9.45	9.85
		≥2	8322	5.58	5.4	5.81
		Unknown	550925	14.71	14.67	14.8
Access to health care	Payer Status	Uninsured	24849	>14.89	14.06	N/A
		Private	542805	15	N/A	N/A
		Medicaid	41718	13.08	12.84	13.85
		Medicare	334182	10.13	10.08	10.18
		Unknown	32624	14.56	14.31	N/A
	Income ($1000)	<30	117919	12.77	12.65	12.92
		30-34	158762	13.92	13.79	14.05
		35-45	256013	14.47	14.33	14.51
		≥46	398086	14.92	14.9	N/A
	Distance Travelled (Miles)	<10	556476	14.58	14.47	14.66
		10-24	234049	15	N/A	N/A
		25-49	88994	14.77	14.63	N/A
		50-99	39053	>14.94	14.64	N/A
		≥100	22349	14.99	N/A	N/A
	Cancer Program	Community	110174	13.72	13.56	13.83
		Comprehensive	563299	14.75	14.69	14.86
		Academic Research	261484	>14.99	14.9	N/A
		Others	41221	12.49	12.19	13.12
	Diagnosing/Treating Facility	Same	662498	14.61	14.5	14.67
		Different	313680	14.91	14.86	N/A
	Treatment Delay (Days)	0-5	296904	14.76	14.69	14.92
		6-20	284321	14.86	14.77	N/A
		21-30	155774	14.84	14.67	N/A
		≥31	193455	14.45	14.24	14.7

*All p-values <0.0001 by using Logrank Test. Median Overall Survival (MOS). N/A: not reached.