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Demographics

Patient characteristics by type of shoulder prosthesis

Shoulder » Primary shoulder arthroplasty » Demographics »Patient characteristics by type of shoulder prosthesis

TABLE Patient characteristics of all patients with a registered primary shoulder arthroplasty by type of primary shoulder arthroplasty in the Netherlands in 2021

	Reverse	Total anatomical	Hemi	Total¹
N (%)	2,444 (75)	582 (18)	176 (5)	3,239
Mean age (years) (SD)	73.6 (10.1)	65.4 (9.3)	63.0 (10.1)	71.5 (9.1)
Age (years) (%)
<50	0	5	10	2
50-59	5	21	29	9
60-69	21	37	35	25
70-79	51	33	21	46
≥80	23	4	5	19
Gender (%)
Men	24	32	34	26
Women	76	68	66	74
ASA score (%)
I	5	14	13	7
II	54	67	59	56
III-IV	41	19	28	37
Type of hospital (%)
General	93	78	80	89
UMC	2	1	7	2
Private	5	21	13	9
Specialism (%)
Orthopaedic surgeon	100	100	98	99
Trauma surgeon	0	0	2	1
Diagnosis (%)
Osteoarthritis	34	87	47	45
Fracture	23	2	31	19
Cuff arthropathy	21	2	1	16
Post-traumatic	11	4	8	9
Cuff rupture	6	1	0	5
Rheumatoid arthritis	2	1	0	2
Osteonecrosis	1	2	9	2
Tumour	0	0	3	0
Other	2	1	1	2
Walch score (%)
A1	46	30	55	43
A2	29	35	18	30
B1	10	19	6	12
B2	8	13	8	9
B3	3	1	9	3
C	2	1	4	2
Mean Body Mass Index (kg/m²) (SD)	28.2 (5.4)	28.8 (5.3)	28.4 (5.2)	28.3 (5.4)
Body Mass Index (kg/m²) (%)
Underweight (≤18,5)	1	1	0	1
Normal weight (>18,5-25)	30	26	29	29
Overweight (>25-30)	38	37	38	38
Obesity (>30-40)	27	33	31	29
Morbid obesity (>40)	3	3	3	3
Smoking (%)
No	91	90	87	91
Yes	9	10	13	9

¹ Also contains 37 (1.1%) primary shoulder arthroplasties of which the the type of prosthesis had not been registered.
Reverse: reverse total shoulder arthroplasty; Total anatomical: anatomic total shoulder arthroplasty; Hemi: shoulder hemiarthroplasty; General: general hospital; UMC: university medical centre; Private: private hospital; SD: standard deviation.