The Kaiser Permanente Shoulder Arthroplasty Registry

Figures & data

Table 1. Demographics for primary shoulder arthroplasty. All rows are number or percentage unless otherwise specified

	Total sample n = 6,336		HEMI n = 2,179		HHR n = 191		RSA n = 940		TSA n = 3,026		Elective n = 5,291		Fracture n = 1,045
	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)
Gender
Missing	29	0.5	3	0.1	0	0	6	0.6	20	0.7	28	0.5	1	0.1
Male	2,747	43	817	38	115	60	302	32	1,513	50	2,498	47	249	24
Female	3,560	56	1,359	62	76	40	632	67	1,493	49	2,765	52	795	76
Mean age (SD), years	70	11	68	12	59	12	75	7.6	69	9.1	69	10	71	12
Race
Asian/Pacific islander	154	2.4	55	2.5	4	2.1	28	3.0	67	2.2	118	2.2	36	3.4
Black	299	4.7	93	4.3	19	10	40	4.3	147	4.9	274	5.2	25	2.4
Native American	16	0.3	10	0.5	0	0.0	1	0.1	5	0.2	10	0.2	6	0.6
Missing	55	0.9	16	0.7	1	0.5	5	0.5	33	1.1	49	0.9	6	0.6
White	5,154	81	1,753	81	147	77	737	78	2,517	83	4,321	82	833	80
Hispanic	606	9.6	229	10.5	20	11	125	13	232	7.7	480	9.1	126	12
Other	52	0.8	23	1.1	0	0	4	0.4	25	0.8	39	0.7	13	1.2
Mean BMI (SD)	30	6.5	30	7.2	31	7.0	29	5.8	30	6.1	30	6.2	30	7.8
BMI category
< 30	3,551	56	1,222	56	96	50	622	66	1,611	53	2,971	56	580	56
≥ 30 and < 35	1,485	23	479	22	50	26	189	20	767	25	1,254	24	231	22
≥ 35	1,208	19	441	20	45	24	120	13	602	20	990	19	218	21
Missing	92	1.5	37	1.7	0	0.0	9	1.0	46	1.5	76	1.4	16	1.5
ASA category
1 or 2	3,106	49	1,066	49	107	56	372	40	1,561	52	2,670	51	436	42
≥ 3	2,675	42	948	44	65	34	467	50	1,195	40	2,153	41	522	50
Missing	555	8.8	165	7.6	19	10	101	11	270	8.9	468	8.9	87	8.3
Mean follow-up (SD), days	1,196	838	1,398	846	1,348	789	856	708	1,147	832	1,187	839	1,245	833
Membership termination
No termination	5,875	93	1,974	91	165	86	899	96	2,837	94	4,927	93	948	91
Termination	461	7.3	205	9.4	26	14	41	4.4	189	6.3	364	6.9	97	9.3

Table 2. Primary diagnosis for shoulder arthroplasty

	Total sample n = 6,336		HEMI n = 2,179		HHR n = 191		RSA n = 940		TSA n = 3,026
	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)
Osteoarthritis	3790	60	818	38	130	68	6	0.6	2836	94
Proximal humerus fracture	1045	17	961	44	0	0	72	7.7	12	0.4
Rotator cuff arthropathy	949	15	129	5.9	25	13	795	85	0	0
Osteonecrosis – avascular necrosis	167	2.6	91	4.2	21	11	3	0.3	52	1.7
Rheumatoid arthritis	89	1.4	32	1.5	1	0.5	0	0.0	56	1.9
Failed ORIF	73	1.2	45	2.1	2	1.1	17	1.8	9	0.3
Non-union	49	0.8	32	1.5	0	0.0	12	1.3	5	0.2
Malunion	48	0.8	25	1.2	2	1.1	9	1.0	12	0.4
Posttraumatic arthritis	46	0.7	16	0.7	3	1.6	0	0.0	27	0.9
Rotator cuff tear	34	0.5	10	0.5	1	0.5	23	2.5	0	0.0
Chronic dislocation	22	0.4	15	0.7	3	1.6	3	0.3	1	0.0
Non-rheumatoid inflammatory arthritis	16	0.3	5	0.2	1	0.5	0	0.0	10	0.3
Capsulorrhaphy arthropathy	11	0.2	3	0.1	2	1.1	0	0.0	6	0.2
Other	6	0.1	3	0.1	1	0.5	2	0.2	0	0.0

Table 3. Reasons for revision after elective primary shoulder arthroplasty. One procedure could have several reasons for revision

	Total n = 200		HEMI n = 75	HHR n = 18	RSA n = 44	TSA n = 63
	n	(%)	n	n	n	n
Glenoid wear	53	27	39	14	0	0
Deep infection	40	20	6	1	15	18
Instability	36	18	8	1	16	11
Rotator cuff tear	33	17	10	1	0	22
Glenoid component failure	26	13	0	0	6	20
Humeral component loosening	12	6	9	0	1	2
Painful HEMI with cuff dysfunction	11	6	11	0	0	0
Malposition	11	6	4	1	1	5
Periprosthetic fracture	3	2	1	0	1	1
Other	9	5	1	1	5	2

Table 4. Outcomes after elective primary shoulder arthroplasty

	Total n = 5,291		HEMI n = 1,218		HHR n = 191		RSA n = 868		TSA n = 3,014
	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)
Deep infection	56	1.1	13	1.1	1	0.5	21	2.4	21	0.7
DVT	25	0.5	4	0.3	1	0.5	5	0.6	15	0.5
PE	20	0.4	0	0.0	1	0.5	6	0.7	13	0.4
Revision for any reason	200	3.8	75	6.2	18	9.4	44	5.1	63	2.1
Revision (aseptic)	160	3.0	69	5.7	17	8.9	29	3.3	45	1.5
Death (30 days)	9	0.2	1	0.1	0	0.0	2	0.2	6	0.2
Death (90 days)	16	0.3	3	0.3	0	0.0	3	0.4	10	0.3

Table 5. Reasons for revision after primary shoulder arthroplasty for acute fracture. One procedure could have several reasons for revision

	Total n = 31	HEMI n = 30	RSA n = 1
	n	n	n
Deep infection	11	11	0
Instability	7	6	1
Glenoid wear	5	5	0
Rotator cuff tear	5	5	0
Humeral component loosening	3	3	0
Other	4	3	1

Table 6. Outcomes after primary shoulder arthroplasty for acute fracture

	Total n = 1,045		HEMI n = 961		RSA n = 72
	n	(%)	n	(%)	n
Deep infection	15	1.4	15	1.6	0
DVT	8	0.8	6	0.6	2
PE	10	1.0	10	1.0	0
Revision for any reason	31	3.0	30	3.1	1
Revision (aseptic)	20	1.9	19	2.0	1
Death (30 days)	11	1.1	10	1.0	1
Death (90 days)	17	1.6	16	1.7	1