Table 1.

Demographics of patients undergoing uterine tamponade or interventional radiology procedures

	Uterine tamponade (N=6,676)		Interventional radiology procedures (N=1,199)		Neither (N=5,380,611)
	N	%	N	%	N	%
Year
2006	371	5.6	95	7.9	532,901	9.9
2007	488	7.3	81	6.8	551,068	10.2
2008	518	7.8	90	7.5	541,057	10.1
2009	635	9.5	116	9.7	562,132	10.4
2010	748	11.2	133	11.1	573,452	10.7
2011	886	13.3	173	14.4	636,569	11.8
2012	1,054	15.8	181	15.1	699,073	13.0
2013	1,049	15.7	183	15.3	672,339	12.5
2014	927	13.9	147	12.3	612,020	11.4
Age in years
15–24	2,144	32.1	183	15.3	1733340	32.2
25–34	3,456	51.8	651	54.3	2854217	53.0
35–39	832	12.5	255	21.3	643,010	12.0
40–54	244	3.7	110	9.2	150,044	2.8
Marital Status
Married	3,307	49.5	609	50.8	2640047	49.1
Single	2,757	41.3	415	34.6	2093463	38.9
Other/Unknown	612	9.2	175	14.6	647,101	12.0
Race
White	2,380	35.7	515	43.0	2879422	53.5
Black	1,153	17.3	234	19.5	750,927	14.0
Other/Unknown	3,143	47.1	450	37.5	1750262	32.5
Payer
Medicare	44	0.7	14	1.2	40,389	0.8
Medicaid	2,558	38.3	416	34.7	2288269	42.5
Commercial	3,646	54.6	708	59.0	2739612	50.9
Uninsured/Unknown	428	6.4	61	5.1	312,341	5.8
Rurality
Urban	6,374	95.5	1,171	97.7	4866006	90.4
Rural	302	4.5	28	2.3	514,605	9.6
Teaching hospital
No	3,369	50.5	482	40.2	3224965	59.9
Yes	3,307	49.5	717	59.8	2155646	40.1
Hospital bed size
<400	3,350	50.2	461	38.4	2987205	55.5
400–600	2,471	37.0	401	33.4	1397217	26.0
>600	855	12.8	337	28.1	996,189	18.5
Hospital region
Northeastern	718	10.8	345	28.8	863,652	16.1
Midwest	2,037	30.5	178	14.8	934,195	17.4
South	2,599	38.9	405	33.8	2452365	45.6
West	1,322	19.8	271	22.6	1130399	21.0
Hospital volume quintile
1st	1,550	23.2	96	8.0	1076486	20.0
2nd	844	12.6	174	14.5	1072000	19.9
3rd	606	9.1	231	19.3	1080290	20.1
4th	2,196	32.9	208	17.3	1063830	19.8
5th	1,480	22.2	490	40.9	1088005	20.2

Comparisons across demographic categories were all significant with p<0.01.