Table 2.

Contextual characteristics of patients with inflammatory breast cancer compared with locally advanced and all other breast cancer patients, Patterns of Care Study, 2004–2012.

Characteristic	IBC		LABC (IIIB, C)		IBC versus LABC  P  value∗∗	All else		IBC versus all else  P  value∗∗
	Number	%∗	Number	%∗		Number	%∗
Total	170		375			7079
Poverty (census tract)
<20% below poverty	108	73.8	257	78.1	0.33	5280	82.3	0.01
≥20% below poverty	60	25.6	117	21.4		1779	17.4
Education (census tract)
<25% no high school degree	83	60.2	200	63.1	0.61	4297	68.5	0.07
≥25% no high school degree	85	39.2	174	36.3		2762	31.2
Urbanicity
Urban	94	53.8	185	47.8	0.14	3585	51.3	0.43
Rural	23	9.2	63	17.0		1014	13.4
Urban/rural mix	51	36.5	126	34.7		2461	35.0
Unknown	2	0.5	1	0.5		19	0.3
Hospital teaching status
Teaching	73	45.8	136	37.0	0.06	2807	39.2	0.10
Other	66	38.2	202	52.1		3330	47.5
Unknown	31	15.9	37	10.9		942	13.3
Hospital size (number of beds)
<200	32	15.1	96	23.3	0.05	1671	21.2	0.17
200–299	20	12.4	77	23.0		1234	18.1
300–399	21	14.7	38	11.4		842	13.2
≥400	66	41.8	127	31.4		2390	34.1
Unknown	31	15.9	37	10.9		942	13.3
Hospital Commission on Cancer Accreditation
No	59	29.3	152	40.0	0.06	2654	38.1	0.05
Yes	87	57.8	191	50.1		3558	49.1
Unknown	24	12.9	32	9.9		867	12.7

^∗Percentages weighted based on sampling design. ^∗∗P values from chi-square tests.