Missed opportunities: racial and neighborhood socioeconomic disparities in emergency colorectal cancer diagnosis and surgery

Pruitt, Sandi L; Davidson, Nicholas O; Gupta, Samir; Yan, Yan; Schootman, Mario

doi:10.1186/1471-2407-14-927

Table 1 Sample characteristics of colorectal cancer patients, by emergency diagnosis and emergency surgery status

From: Missed opportunities: racial and neighborhood socioeconomic disparities in emergency colorectal cancer diagnosis and surgery

	Diagnosis (n = 83,330)^a					Surgery (n = 55,046)^a
Characteristic	No emergency diagnosis (n = 59,082)		Emergency diagnosis (n = 24,248)		p (Chi²)	No emergency surgery (n = 40,740)		Emergency surgery (n = 14,306)		p (Chi²)
	n	%	n	%		n	%	n	%
Race
White	54527	71.90	21313	28.10	<.0001	37957	75.01	12643	24.99	<.0001
African American	4555	60.81	2935	39.19		2783	62.60	1663	37.40
Neighborhood poverty rate
<10%	35999	71.72	14198	28.28	<.0001	25254	74.81	8505	25.19	<.0001
10-19.9%	14902	71.98	5801	28.02		10170	75.09	3374	24.91
≥20%	8181	65.82	4249	34.18		5316	68.66	2427	31.34
Sex
Male	27154	73.36	9860	26.64	<.0001	18215	75.71	5843	24.29	<.0001
Female	31928	68.94	14388	31.06		22525	72.69	8463	27.31
Age (mean [SD])	77.2	7.1	79.6	7.6	<.0001	76.8	6.8	78.9	7.4	<.0001
Year
1992-1996	24621	70.68	10214	29.32	0.4126	9311	74.05	3263	25.95	0.9327
1997-2001	13092	71.21	5292	28.79		14847	74.08	5195	25.92
2002-2005	21369	70.97	8742	29.03		16582	73.93	5848	26.07
Medicaid enrollee
No	52170	72.54	19753	27.46	<.0001	36395	75.51	11802	24.49	<.0001
Yes	6912	60.59	4495	39.41		4345	63.44	2504	36.56
Rural urban commuting area
Metropolitan	46093	69.38	20346	30.62	<.0001	31657	72.45	12037	27.55	<.0001
Micropolitan	5246	76.23	1636	23.77		3595	78.91	961	21.09
Rural	7743	77.36	2266	22.64		5488	80.75	1308	19.25
Stage
Local	25470	78.60	6936	21.40	<.0001	17622	79.48	4549	20.52	<.0001
Regional	20160	69.12	9006	30.88		16936	72.69	6363	27.31
Distant	9840	60.94	6307	39.06		5436	64.66	2971	35.34
Tumor location
Left	31557	73.93	11127	26.07	<.0001	20204	75.47	6568	24.53	<.0001
Right	25162	68.09	11790	31.91		19953	73.04	7366	26.96
Tumor Grade
Low	40222	72.40	15337	27.60	<.0001	30066	75.09	9976	24.91	<.0001
High	10551	68.11	4941	31.89		8134	72.08	3150	27.92
Histology
Other adenocarcinoma	49541	71.73	19526	28.27	<.0001	35208	74.46	12078	25.54	<.0001
Mucinous adenocarcinoma/signet ring cell	6252	68.95	2816	31.05		4920	73.01	1819	26.99
Other	2365	64.09	1325	35.91		544	61.40	342	38.60
Comorbidity
0	34535	73.76	12284	26.24	<.0001	24359	76.19	7613	23.81	<.0001
1	14000	69.73	6077	30.27		9889	73.86	3500	26.14
≥2	9628	62.06	5887	37.94		6492	67.03	3193	32.97
Preventable hospitalization
No	55900	72.62	21077	27.38	<.0001	38522	75.20	12704	24.80	<.0001
Yes	3182	50.09	3171	49.91		2218	58.06	1602	41.94
Prior hospitalization					<.0001
No	38866	82.62	8178	17.38		23910	82.93	4920	17.07
Yes	20216	55.71	16070	44.29		16830	64.20	9386	35.80
Endoscopies/prior year
None	32028	67.93	15118	32.07	<.0001	19435	69.11	8685	30.89	<.0001
1	16806	75.27	5521	24.73		13345	80.29	3277	19.71
≥2	10248	73.96	3609	26.04		7960	77.25	2344	22.75

^aNumbers may not add up to total due to missing data.

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ISSN: 1471-2407

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