Epidemiology of shoulder dislocations presenting to United States emergency departments: An updated ten-year study

Table 1 Total weighted national electronic injury surveillance system estimates, rate per year, national incidence, and demographics, for all United States shoulder dislocations between 2012 and 2021

	National estimate	95%CI
Total	773039	640598-905481
Rate per year	77304	64060-90548
Incidence per 100000	23.92	19.86-28.07
	Mean	St. Deviation
Age	37.1	22.0
Gender	National estimate	Percent
Male	537189	69.5%
Female	235834	30.5%

CI: Confidence intervals.

Table 2 Total weighted national electronic injury surveillance system estimates for all United States shoulder dislocations between 2012 and 2021, by consumer product categories

Consumer product category	National estimate	Percent of cases
Sports and recreation equipment	365348	44.31%
Home structures and construction materials	174975	21.22%
Home furnishings, fixtures, and accessories	174883	21.21%
Personal use items	32235	3.91%
Packing and containers, household	15511	1.88%
Home communication, entertainment and hobby	13940	1.69%
Yard and garden	8943	1.08%

Table 3 Total weighted national electronic injury surveillance system estimates for all United States shoulder dislocations between 2012 and 2021, for the top ten product sub-groups, with subgroup analysis for age ≤ 39 and ≥ 40 years, and gender

Rank	Product sub-group	National estimate	≤ 39	Percent (%)	≥ 40	Percent (%)	Male	Percent (%)	Female	Percent (%)
1	Stairs, ramps, landings, floors	131745	45193	9.6	86551	28.4	64235	12.0	67510	28.6
2	Beds, mattresses, pillows	76778	45200	9.6	31579	10.4	48119	9.0	28660	12.2
3	Basketball	55226	53619	11.4	1607	0.5	51081	9.5	4145	1.8
4	Football	43158	42172	9.0	1	1	42006	7.8	1	1
5	Exercise and equipment	39052	26388	5.6	12665	4.2	26836	5.0	12216	5.2
6	Bicycles and accessories	32789	15733	3.4	17040	5.6	28600	5.3	4189	1.8
7	Clothing, all	26832	12714	2.7	14118	4.6	13653	2.5	13180	5.6
8	Ladders, stools	22372	4930	1.1	17442	5.7	17529	3.3	4842	2.1
9	Bathtub and shower structures	21640	8861	1.9	12779	4.2	11076	2.1	10564	4.5
10	Chairs, sofas, and sofa beds	21193	8143	1.7	13050	4.3	10667	2.0	10526	4.5
Total		773039	468458		304566		537189		235834

¹Estimates denoted by have at least one of the following unstable characteristics and were not returned: Estimate is less than 1200, number of cases is less than 20, coefficient of variation exceeds 33%.

P < 0.001 age groups vs gender groups.

Table 4 Total weighted national electronic injury surveillance system estimates for shoulder dislocations among males aged 15-20 years between 2012 and 2021, including the top ten product sub-groups

		National estimate	95%CI
	Total	136844	107830-165857
	Rate per year	13684	10783-16586
	Incidence per 100000	106.91	84.24-129.57
Rank	Product sub-group	National estimate	Percent
1	Basketball	25448	18.60%
2	Football	25435	18.59%
3	Beds, mattresses, pillows	7314	5.34%
4	Exercise and equipment	6350	4.64%
5	Miscellaneous sports	5941	4.34%
6	Soccer	5772	4.22%
7	Skateboards, scooters, hoverboards	5771	4.22%
8	Stairs, ramps, landings, floors	5627	4.11%
9	Swimming activity, pools, equipment	5440	3.98%
10	Baseball/softball	5163	3.77%

CI: Confidence intervals.