Table 2.
Baseline characteristics of patients included in the Dutch Hip Fracture Audit from 2016 to 2020
| Year | 2016 | 2017 | 2018 | 2019 | 2020 | Total |
|---|---|---|---|---|---|---|
| Total number of patients per year | 3562 | 11,171 | 13,533 | 15,732 | 16,204 | 60,202 |
| Age (median) | 82 | 82 | 82 | 81 | 81 | 82 |
| Female gender (%) | 68.9 | 67.0 | 66.2 | 67.2 | 65.7 | 66.6 |
| Fracture side (%) | ||||||
| Right | 47.9 | 48.1 | 48.2 | 47.9 | 47.9 | 48.0 |
| Left | 52.1 | 51.8 | 51.7 | 52.1 | 52.1 | 51.9 |
| Bilateral | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 |
| Fracture type (%) | ||||||
| Femoral neck, undislocated | 16.3 | 17.6 | 18.2 | 17.7 | 16.8 | 17.5 |
| Femoral neck, dislocated | 39.0 | 38.4 | 37.4 | 36.9 | 38.6 | 37.8 |
| Trochanteric type AO-A1 | 12.9 | 13.8 | 13.9 | 13.8 | 13.3 | 13.6 |
| Trochanteric type AO-A2 | 24.7 | 20.4 | 19.0 | 19.0 | 18.5 | 19.4 |
| Trochanteric type AO-A3 | 6.3 | 5.7 | 6.0 | 5.8 | 5.7 | 5.8 |
| Subtrochanteric | 0.4 | 2.6 | 3.3 | 4.1 | 4.4 | 3.6 |
| Unspecified | 0.4 | 1.6 | 2.2 | 2.7 | 2.7 | 2.3 |
| Type of anaesthesia (%) | ||||||
| General | 38.9 | 35.6 | 36.2 | 38.1 | 39.5 | 37.7 |
| Regional | 0.9 | 0.5 | 0.5 | 0.7 | 2.5 | 1.1 |
| Spinal | 55.7 | 53.4 | 54.2 | 50.4 | 47.4 | 51.3 |
| General + regional | 2.5 | 2.8 | 2.4 | 3.6 | 3.3 | 3.0 |
| General + spinal | 0.5 | 2.0 | 0.8 | 0.8 | 0.9 | 1.0 |
| Spinal + regional | 1.5 | 5.7 | 5.9 | 6.3 | 6.2 | 5.8 |
| Spinal + regional + general | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 |
| Treatment type (%) | ||||||
| Conservative | 2.0 | 2.0 | 2.7 | 2.8 | 3.7 | 2.8 |
| Hemiarthroplasty | 35.0 | 35.3 | 34.5 | 33.3 | 34.5 | 34.4 |
| Cannulated screws | 6.4 | 5.9 | 6.0 | 5.2 | 4.3 | 5.3 |
| Total hip arthroplasty | 4.0 | 4.3 | 5.6 | 6.9 | 6.9 | 6.0 |
| Sliding hip screw | 11.3 | 13.2 | 12.7 | 13.2 | 13.5 | 13.1 |
| Intramedullary nailing | 41.2 | 39.2 | 38.5 | 38.6 | 37.0 | 38.4 |
| Girdle stone | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 |
| Pre-fracture mobility (%) | ||||||
| Unknown | 5.3 | 8.6 | 6.6 | 6.6 | 5.3 | 6.5 |
| Not using any mobility aid | 47.9 | 44.4 | 45.7 | 46.6 | 47.3 | 46.3 |
| Mobile outdoors using 1 mobility aid | 6.5 | 5.7 | 5.6 | 6.1 | 7.3 | 6.3 |
| Mobile outdoors with 2 aids or frame | 30.7 | 31.3 | 30.3 | 30.8 | 30.8 | 30.8 |
| Mobile indoors but never outside without help of others | 7.3 | 7.7 | 8.5 | 7.2 | 7.8 | 7.7 |
| No functional mobility (no use of lower extremities) | 2.3 | 2.2 | 3.4 | 2.6 | 1.5 | 2.4 |
| Dependent in activities of daily living (KATZ6-ADL > 0) (%) | 45.1 | 46.2 | 45 | 45.2 | 43.5 | 44.9 |
| Pre-fracture living situation (%) | ||||||
| At home | 73.6 | 75.3 | 76.5 | 77.6 | 78.9 | 77.0 |
| Institutionalized | 24.4 | 22.3 | 20.8 | 19.7 | 18.8 | 20.4 |
| Unknown | 2.0 | 2.4 | 2.7 | 2.8 | 2.3 | 2.5 |
| Known with dementia (%) | 21.6 | 20.9 | 19.4 | 18.4 | 18.1 | 19.2 |
| Known with osteoporosis (%) | 13.5 | 12.9 | 11.8 | 11.9 | 11.8 | 12.1 |
| ASA-score III, IV or IV (%) | 55.1 | 57.8 | 57.1 | 58.2 | 59.3 | 58.0 |
| Risk of malnutrition (%) | ||||||
| No risk (SNAQ 0 or MUST 0) | 85.6 | 86.3 | 84.7 | 86.0 | 86.1 | 85.8 |
| Medium risk (SNAQ 1–2 or MUST 1) | 3.1 | 3.4 | 4.1 | 4.1 | 3.9 | 3.9 |
| High risk (SNAQ ≥ 3, MUST ≥ 2) | 11.3 | 10.4 | 11.2 | 9.9 | 10.0 | 10.4 |