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Demographics
Hip » Hip hemiarthroplasty » Demographics
TABLE Patient characteristics of all patients with a primary hip hemiarthroplasty by specialism in the Netherlands in 2019
| Orthopaedic surgeon | Trauma surgeon | Total | |
| N | 4,009 (69.2%) | 1,788 (30.8%) | 5,810 |
| Mean age (years) (SD) | 82.6 (8.0) | 82.2 (8.3) | 82.5 (8.1) |
| Age (years) (%) | |||
| <50 | 0 | 0 | 0 |
| 50-59 | 1 | 1 | 1 |
| 60-69 | 5 | 5 | 5 |
| 70-79 | 24 | 25 | 25 |
| ≥80 | 70 | 69 | 69 |
| Gender (%) | |||
| Men | 32 | 33 | 33 |
| Women | 68 | 67 | 67 |
| ASA score (%) | |||
| I | 1 | 1 | 1 |
| II | 27 | 26 | 27 |
| III-IV | 72 | 73 | 72 |
| Type of hospital (%) | |||
| General | 97 | 96 | 97 |
| UMC | 3 | 4 | 3 |
| Diagnosis (%) | |||
| Fracture (acute) | 96 | 99 | 97 |
| Osteoarthritis | 2 | 0 | 1 |
| Late post-traumatic | 1 | 1 | 1 |
| Tumour | 1 | 0 | 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 |
| Charnley-score (%) | |||
| A One hip joint affected | 61 | 34 | 58 |
| B1 Both hip joints affected | 13 | 37 | 16 |
| B2 Contralateral hip joint with a total hip prosthesis | 18 | 9 | 17 |
| C Multiple joints affected or chronic disease that affects quality of life | 8 | 20 | 9 |
| Mean Body Mass Index (kg/m²) (SD) | 24.7 (4.3) | 24.4 (4.2) | 24.6 (4.3) |
| Body Mass Index (kg/m²) (%) | |||
| Underweight (≤18,5) | 5 | 7 | 6 |
| Normal weight (>18,5-25) | 55 | 53 | 54 |
| Overweight (>25-30) | 31 | 31 | 31 |
| Obesity (>30-40) | 9 | 8 | 9 |
| Morbid obesity (>40) | 0 | 1 | 0 |
| Smoking (%) | |||
| No | 94 | 94 | 94 |
| Yes | 6 | 6 | 6 |
Please note: In 2019, 73 general hospitals and 8 UMCs performed primary hip hemiarthroplasties.
General: general hospital; UMC: university medical centre; SD: standard deviation.
© LROI 2020