TABLE 1.
General data of patients with hip arthroplasty from 2011 to 2020
| Variables | |
|---|---|
| Gender | |
| Male, n (%) | 10,467 (47.8) |
| Female, n (%) | 11,431 (52.2) |
| Age (Mean ± SD, years) | 62.26 ± 14.58 |
| BMI (Mean ± SD, kg/m2) | 23.73 ± 3.75 |
| ≤18.5, n (%) | 1778 (8.1) |
| 18.5–23.9, n (%) | 9821 (44.8) |
| 24–27.9, n (%) | 7801 (35.7) |
| ≥28, n (%) | 2498 (11.4) |
| Diagnosis | |
| Femoral head necrosis, n (%) | 11,370 (51.9) |
| Femoral neck fracture, n (%) | 6637 (30.3) |
| Hip osteoarthritis, n (%) | 1650 (7.5) |
| Hip hypoplasia, n (%) | 1218 (5.6) |
| Traumatic arthritis, n (%) | 437 (2.0) |
| Femoral intertrochanteric fracture, n (%) | 232 (1.1) |
| Ankylosing spondylitis, n (%) | 207 (0.9) |
| Rheumatoid arthritis, n (%) | 85 (0.4) |
| Femoral head fracture, n (%) | 62 (0.3) |
| Surgical side | |
| Left, n (%) | 10,273 (46.9) |
| Right, n (%) | 10,584 (48.3) |
| Both, n (%) | 1041 (4.8) |
| Operations | |
| Unilateral total hip arthroplasty, n (%) | 18 844 (86.1) |
| Unilateral hemiarthroplasty, n (%) | 2022 (9.2) |
| Simultaneous total hip arthroplasty, n (%) | 1030 (4.7) |
| Simultaneous hemiarthroplasty, n (%) | 2 (0.0) |
| Comorbidities | |
| 0, n (%) | 7468 (34.1) |
| 1, n (%) | 7034 (32.1) |
| 2, n (%) | 3668 (16.8) |
| ≥3, n (%) | 3728 (17) |
| Hospital stay, Median (Interquartile range) | 12 (8) |
| Hospitalization costs, Median (Interquartile range) | 68,130.94 (30,491.00) |
Abbreviation: BMI, body mass index.