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Demographics

Demographics

Hip » Hip hemiarthroplasty » Demographics

TABLE Patient characteristics of all patients with a primary hip hemiarthroplasty by specialism in the Netherlands in 2022

	Orthopaedic surgeon	Trauma surgeon	Total
N	4,317 (70.6%)	1,789 (29.4%)	6,077
Mean age (years) (SD)	81.1 (9.0)	82.0 (7.8)	81.3 (8.7)
Age (years) (%)
<50	1	0	0
50-59	2	1	2
60-69	6	5	6
70-79	29	26	28
≥80	62	68	64
Gender (%)
Men	36	38	37
Women	64	62	63
ASA score (%)
I	1	1	1
II	28	24	27
III-IV	71	75	72
Type of hospital (%)
General	97	96	97
Private	0	0	0
UMC	3	4	3
Diagnosis (%)
Fracture (acute)	93	99	94
Osteoarthritis	4	0	3
Late post-traumatic	1	0	1
Tumour	1	1	1
Osteonecrosis	0	0	0
Dysplasia	0	0	0
Rheumatoid arthritis	0	0	0
Post-Perthes’ disease	0	0	0
Inflammatory arthritis	0	0	0
Other	1	0	1
Charnley-score (%)
A One hip joint affected	51	34	47
B1 Both hip joints affected	17	42	22
B2 Contralateral hip joint with a total hip prosthesis	24	16	23
C Multiple joints affected or chronic disease that affects quality of life	8	8	8
Mean Body Mass Index (kg/m²) (SD)	24.6 (4.4)	24.3 (3.7)	24.5 (4.2)
Body Mass Index (kg/m²) (%)
Underweight (≤18,5)	5	5	5
Normal weight (>18,5-25)	55	57	55
Overweight (>25-30)	30	32	31
Obesity (>30-40)	9	6	8
Morbid obesity (>40)	1	0	1
Smoking (%)
No	91	91	91
Yes	9	9	9

Please note: in 2022, 65 general hospitals, 7 UMCs and 7 private hospital performed primary hip hemiarthroplasties.
General: general hospital; UMC: university medical centre; Private: private hospital; SD: standard deviation.